/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 07:57:57,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 07:57:57,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 07:57:57,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 07:57:57,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 07:57:57,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 07:57:57,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 07:57:57,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 07:57:57,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 07:57:57,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 07:57:57,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 07:57:57,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 07:57:57,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 07:57:57,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 07:57:57,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 07:57:57,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 07:57:57,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 07:57:57,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 07:57:57,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 07:57:57,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 07:57:57,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 07:57:57,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 07:57:57,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 07:57:57,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 07:57:57,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 07:57:57,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 07:57:57,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 07:57:57,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 07:57:57,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 07:57:57,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 07:57:57,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 07:57:57,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 07:57:57,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 07:57:57,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 07:57:57,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 07:57:57,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 07:57:57,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 07:57:57,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 07:57:57,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 07:57:57,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 07:57:57,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 07:57:57,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 07:57:57,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 07:57:57,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 07:57:57,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 07:57:57,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 07:57:57,297 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 07:57:57,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 07:57:57,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 07:57:57,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 07:57:57,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 07:57:57,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 07:57:57,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 07:57:57,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 07:57:57,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 07:57:57,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 07:57:57,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 07:57:57,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 07:57:57,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 07:57:57,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 07:57:57,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 07:57:57,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 07:57:57,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 07:57:57,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 07:57:57,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 07:57:57,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 07:57:57,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 07:57:57,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 07:57:57,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 07:57:57,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 07:57:57,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 07:57:57,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 07:57:57,304 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 07:57:57,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 07:57:57,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 07:57:57,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 07:57:57,810 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 07:57:57,811 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 07:57:57,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-04-29 07:57:57,813 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-04-29 07:57:57,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 07:57:58,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 07:57:58,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 07:57:58,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 07:57:58,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 07:57:58,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 07:57:58,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 07:57:58,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 07:57:58,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 07:57:58,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... [2021-04-29 07:57:58,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 07:57:58,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 07:57:58,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 07:57:58,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 07:57:58,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 07:57:58,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 07:57:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 07:57:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 07:57:58,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 07:57:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 07:57:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 07:57:58,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 07:57:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 07:57:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 07:57:58,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 07:57:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 07:57:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 07:57:58,174 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 07:57:58,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 07:57:58,388 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 07:57:58,391 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:57:58 BoogieIcfgContainer [2021-04-29 07:57:58,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 07:57:58,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 07:57:58,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 07:57:58,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 07:57:58,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:57:57" (1/2) ... [2021-04-29 07:57:58,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e42a45 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 07:57:58, skipping insertion in model container [2021-04-29 07:57:58,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:57:58" (2/2) ... [2021-04-29 07:57:58,400 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-04-29 07:57:58,406 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 07:57:58,411 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 07:57:58,412 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 07:57:58,462 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 07:57:58,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 07:57:58,521 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 07:57:58,521 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 07:57:58,521 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 07:57:58,521 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 07:57:58,521 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 07:57:58,522 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 07:57:58,522 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 07:57:58,522 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 07:57:58,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-04-29 07:57:58,567 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-04-29 07:57:58,567 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:57:58,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:57:58,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 82 flow [2021-04-29 07:57:58,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2021-04-29 07:57:58,580 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:58,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 24 transitions, 66 flow [2021-04-29 07:57:58,604 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 24 transitions, 66 flow [2021-04-29 07:57:58,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 66 flow [2021-04-29 07:57:58,624 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-04-29 07:57:58,627 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:57:58,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 3/24 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:57:58,636 INFO L146 LiptonReduction]: Number of co-enabled transitions 144 [2021-04-29 07:57:59,131 INFO L158 LiptonReduction]: Checked pairs total: 60 [2021-04-29 07:57:59,131 INFO L160 LiptonReduction]: Total number of compositions: 11 [2021-04-29 07:57:59,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 556 [2021-04-29 07:57:59,150 INFO L129 PetriNetUnfolder]: 3/23 cut-off events. [2021-04-29 07:57:59,151 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:57:59,151 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:59,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:59,152 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash 954554638, now seen corresponding path program 1 times [2021-04-29 07:57:59,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:59,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903018933] [2021-04-29 07:57:59,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:59,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:59,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:57:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:59,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903018933] [2021-04-29 07:57:59,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:57:59,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 07:57:59,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202996813] [2021-04-29 07:57:59,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 07:57:59,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:59,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 07:57:59,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 07:57:59,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 40 [2021-04-29 07:57:59,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:59,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 40 [2021-04-29 07:57:59,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:59,498 INFO L129 PetriNetUnfolder]: 11/47 cut-off events. [2021-04-29 07:57:59,498 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 07:57:59,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 47 events. 11/47 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 113 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 52. Up to 15 conditions per place. [2021-04-29 07:57:59,504 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 4 selfloop transitions, 4 changer transitions 4/27 dead transitions. [2021-04-29 07:57:59,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 27 transitions, 92 flow [2021-04-29 07:57:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 07:57:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 07:57:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2021-04-29 07:57:59,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.775 [2021-04-29 07:57:59,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 93 transitions. [2021-04-29 07:57:59,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 93 transitions. [2021-04-29 07:57:59,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:59,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 93 transitions. [2021-04-29 07:57:59,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,546 INFO L185 Difference]: Start difference. First operand has 31 places, 24 transitions, 66 flow. Second operand 3 states and 93 transitions. [2021-04-29 07:57:59,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 27 transitions, 92 flow [2021-04-29 07:57:59,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 27 transitions, 80 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-04-29 07:57:59,555 INFO L241 Difference]: Finished difference. Result has 28 places, 23 transitions, 72 flow [2021-04-29 07:57:59,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=28, PETRI_TRANSITIONS=23} [2021-04-29 07:57:59,559 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -3 predicate places. [2021-04-29 07:57:59,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:59,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 23 transitions, 72 flow [2021-04-29 07:57:59,560 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 23 transitions, 72 flow [2021-04-29 07:57:59,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 23 transitions, 72 flow [2021-04-29 07:57:59,584 INFO L129 PetriNetUnfolder]: 11/43 cut-off events. [2021-04-29 07:57:59,584 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 07:57:59,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 43 events. 11/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 131 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 45. Up to 14 conditions per place. [2021-04-29 07:57:59,586 INFO L146 LiptonReduction]: Number of co-enabled transitions 186 [2021-04-29 07:57:59,589 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:59,590 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:59,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-04-29 07:57:59,593 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 23 transitions, 72 flow [2021-04-29 07:57:59,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:59,594 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:59,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 07:57:59,595 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:59,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:59,595 INFO L82 PathProgramCache]: Analyzing trace with hash -670569278, now seen corresponding path program 1 times [2021-04-29 07:57:59,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:59,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319965049] [2021-04-29 07:57:59,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:59,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:57:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:57:59,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319965049] [2021-04-29 07:57:59,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:57:59,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 07:57:59,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742977147] [2021-04-29 07:57:59,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 07:57:59,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:59,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 07:57:59,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 07:57:59,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 40 [2021-04-29 07:57:59,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 23 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:59,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 40 [2021-04-29 07:57:59,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:59,771 INFO L129 PetriNetUnfolder]: 48/96 cut-off events. [2021-04-29 07:57:59,771 INFO L130 PetriNetUnfolder]: For 18/29 co-relation queries the response was YES. [2021-04-29 07:57:59,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 96 events. 48/96 cut-off events. For 18/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 311 event pairs, 7 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 186. Up to 37 conditions per place. [2021-04-29 07:57:59,777 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 13 selfloop transitions, 4 changer transitions 0/29 dead transitions. [2021-04-29 07:57:59,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 29 transitions, 122 flow [2021-04-29 07:57:59,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 07:57:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 07:57:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2021-04-29 07:57:59,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7416666666666667 [2021-04-29 07:57:59,782 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 89 transitions. [2021-04-29 07:57:59,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 89 transitions. [2021-04-29 07:57:59,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:59,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 89 transitions. [2021-04-29 07:57:59,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,786 INFO L185 Difference]: Start difference. First operand has 24 places, 23 transitions, 72 flow. Second operand 3 states and 89 transitions. [2021-04-29 07:57:59,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 29 transitions, 122 flow [2021-04-29 07:57:59,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 29 transitions, 116 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 07:57:59,790 INFO L241 Difference]: Finished difference. Result has 27 places, 25 transitions, 96 flow [2021-04-29 07:57:59,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2021-04-29 07:57:59,793 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -4 predicate places. [2021-04-29 07:57:59,793 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:59,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 25 transitions, 96 flow [2021-04-29 07:57:59,794 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 25 transitions, 96 flow [2021-04-29 07:57:59,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 96 flow [2021-04-29 07:57:59,802 INFO L129 PetriNetUnfolder]: 10/39 cut-off events. [2021-04-29 07:57:59,802 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-29 07:57:59,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 39 events. 10/39 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 108 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 52. Up to 13 conditions per place. [2021-04-29 07:57:59,804 INFO L146 LiptonReduction]: Number of co-enabled transitions 214 [2021-04-29 07:57:59,807 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:59,808 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:59,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 07:57:59,809 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 96 flow [2021-04-29 07:57:59,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,810 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:59,810 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:59,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 07:57:59,812 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:59,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 661278238, now seen corresponding path program 1 times [2021-04-29 07:57:59,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:59,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399256475] [2021-04-29 07:57:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:59,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 07:57:59,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:57:59,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:59,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:59,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:59,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:57:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:57:59,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399256475] [2021-04-29 07:57:59,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:57:59,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 07:57:59,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295475371] [2021-04-29 07:57:59,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 07:57:59,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:59,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 07:57:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 07:57:59,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 40 [2021-04-29 07:57:59,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:59,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:59,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 40 [2021-04-29 07:57:59,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:00,018 INFO L129 PetriNetUnfolder]: 361/524 cut-off events. [2021-04-29 07:58:00,018 INFO L130 PetriNetUnfolder]: For 441/450 co-relation queries the response was YES. [2021-04-29 07:58:00,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 524 events. 361/524 cut-off events. For 441/450 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1999 event pairs, 153 based on Foata normal form. 5/369 useless extension candidates. Maximal degree in co-relation 1426. Up to 258 conditions per place. [2021-04-29 07:58:00,022 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 16 selfloop transitions, 6 changer transitions 19/48 dead transitions. [2021-04-29 07:58:00,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 48 transitions, 266 flow [2021-04-29 07:58:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 07:58:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 07:58:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2021-04-29 07:58:00,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.70625 [2021-04-29 07:58:00,024 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 113 transitions. [2021-04-29 07:58:00,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 113 transitions. [2021-04-29 07:58:00,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:00,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 113 transitions. [2021-04-29 07:58:00,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,028 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,028 INFO L185 Difference]: Start difference. First operand has 27 places, 25 transitions, 96 flow. Second operand 4 states and 113 transitions. [2021-04-29 07:58:00,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 48 transitions, 266 flow [2021-04-29 07:58:00,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 48 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 07:58:00,034 INFO L241 Difference]: Finished difference. Result has 30 places, 21 transitions, 108 flow [2021-04-29 07:58:00,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=30, PETRI_TRANSITIONS=21} [2021-04-29 07:58:00,035 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -1 predicate places. [2021-04-29 07:58:00,035 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:00,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 21 transitions, 108 flow [2021-04-29 07:58:00,036 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 21 transitions, 108 flow [2021-04-29 07:58:00,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 108 flow [2021-04-29 07:58:00,054 INFO L129 PetriNetUnfolder]: 21/46 cut-off events. [2021-04-29 07:58:00,054 INFO L130 PetriNetUnfolder]: For 22/23 co-relation queries the response was YES. [2021-04-29 07:58:00,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 46 events. 21/46 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 94 event pairs, 1 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 100. Up to 27 conditions per place. [2021-04-29 07:58:00,056 INFO L146 LiptonReduction]: Number of co-enabled transitions 70 [2021-04-29 07:58:00,058 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:00,058 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:00,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-04-29 07:58:00,059 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 21 transitions, 108 flow [2021-04-29 07:58:00,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:00,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:00,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 07:58:00,061 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:00,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:00,061 INFO L82 PathProgramCache]: Analyzing trace with hash -273397428, now seen corresponding path program 1 times [2021-04-29 07:58:00,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:00,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137626853] [2021-04-29 07:58:00,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:00,133 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size [2021-04-29 07:58:00,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:00,177 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-04-29 07:58:00,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:00,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 07:58:00,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:00,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:00,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137626853] [2021-04-29 07:58:00,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384094249] [2021-04-29 07:58:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:00,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 07:58:00,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:00,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:00,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:00,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,434 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:58:00,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:00,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:00,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:00,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:00,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:00,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:00,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:00,510 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2021-04-29 07:58:00,512 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 07:58:00,517 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:58:00,522 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,524 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-04-29 07:58:00,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:00,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:00,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:00,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 07:58:00,570 INFO L628 ElimStorePlain]: treesize reduction 7, result has 77.4 percent of original size [2021-04-29 07:58:00,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,573 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:58:00,575 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:00,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:00,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 07:58:00,583 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:21 [2021-04-29 07:58:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:00,614 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:58:00,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:00,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:00,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:00,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:00,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:58:00,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693111260] [2021-04-29 07:58:00,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:00,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:00,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:00,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:00,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 40 [2021-04-29 07:58:00,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 21 transitions, 108 flow. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:00,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 40 [2021-04-29 07:58:00,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:00,914 INFO L129 PetriNetUnfolder]: 54/106 cut-off events. [2021-04-29 07:58:00,914 INFO L130 PetriNetUnfolder]: For 122/134 co-relation queries the response was YES. [2021-04-29 07:58:00,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 106 events. 54/106 cut-off events. For 122/134 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 303 event pairs, 0 based on Foata normal form. 8/112 useless extension candidates. Maximal degree in co-relation 330. Up to 67 conditions per place. [2021-04-29 07:58:00,917 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 15 selfloop transitions, 20 changer transitions 0/42 dead transitions. [2021-04-29 07:58:00,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 42 transitions, 301 flow [2021-04-29 07:58:00,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 07:58:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 07:58:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-04-29 07:58:00,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.55 [2021-04-29 07:58:00,919 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-04-29 07:58:00,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-04-29 07:58:00,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:00,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-04-29 07:58:00,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 40.0) internal successors, (320), 8 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,923 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 40.0) internal successors, (320), 8 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,923 INFO L185 Difference]: Start difference. First operand has 24 places, 21 transitions, 108 flow. Second operand 7 states and 154 transitions. [2021-04-29 07:58:00,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 42 transitions, 301 flow [2021-04-29 07:58:00,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 42 transitions, 297 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-29 07:58:00,926 INFO L241 Difference]: Finished difference. Result has 32 places, 37 transitions, 279 flow [2021-04-29 07:58:00,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=279, PETRI_PLACES=32, PETRI_TRANSITIONS=37} [2021-04-29 07:58:00,927 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2021-04-29 07:58:00,927 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:00,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 37 transitions, 279 flow [2021-04-29 07:58:00,927 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 37 transitions, 279 flow [2021-04-29 07:58:00,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 37 transitions, 279 flow [2021-04-29 07:58:00,937 INFO L129 PetriNetUnfolder]: 35/80 cut-off events. [2021-04-29 07:58:00,937 INFO L130 PetriNetUnfolder]: For 83/86 co-relation queries the response was YES. [2021-04-29 07:58:00,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 80 events. 35/80 cut-off events. For 83/86 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 234 event pairs, 1 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 247. Up to 47 conditions per place. [2021-04-29 07:58:00,946 INFO L146 LiptonReduction]: Number of co-enabled transitions 136 [2021-04-29 07:58:00,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:00,952 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:00,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-29 07:58:00,953 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 37 transitions, 279 flow [2021-04-29 07:58:00,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:00,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:00,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:01,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:01,169 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:01,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:01,170 INFO L82 PathProgramCache]: Analyzing trace with hash 559849472, now seen corresponding path program 2 times [2021-04-29 07:58:01,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:01,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997087414] [2021-04-29 07:58:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:01,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.4 percent of original size [2021-04-29 07:58:01,252 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size 35 [2021-04-29 07:58:01,294 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-04-29 07:58:01,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:01,319 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-04-29 07:58:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:01,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:01,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:01,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997087414] [2021-04-29 07:58:01,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054670562] [2021-04-29 07:58:01,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:01,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:01,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:01,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 07:58:01,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:01,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,430 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 07:58:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:01,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:01,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:01,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:01,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:01,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:01,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:01,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:01,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,479 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 07:58:01,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 07:58:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:01,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,531 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-04-29 07:58:01,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:01,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:01,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:01,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:01,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:01,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:01,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:01,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 07:58:01,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:01,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:01,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:01,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:01,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:01,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-04-29 07:58:01,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:01,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:01,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:01,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:01,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:01,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:58:01,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550653864] [2021-04-29 07:58:01,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:58:01,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:01,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:58:01,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:58:01,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:01,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 37 transitions, 279 flow. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:01,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:01,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:01,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:01,730 INFO L129 PetriNetUnfolder]: 109/201 cut-off events. [2021-04-29 07:58:01,730 INFO L130 PetriNetUnfolder]: For 437/459 co-relation queries the response was YES. [2021-04-29 07:58:01,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 201 events. 109/201 cut-off events. For 437/459 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 721 event pairs, 19 based on Foata normal form. 6/206 useless extension candidates. Maximal degree in co-relation 778. Up to 161 conditions per place. [2021-04-29 07:58:01,733 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 30 selfloop transitions, 12 changer transitions 0/48 dead transitions. [2021-04-29 07:58:01,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 48 transitions, 448 flow [2021-04-29 07:58:01,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:58:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:58:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2021-04-29 07:58:01,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-04-29 07:58:01,735 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 106 transitions. [2021-04-29 07:58:01,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 106 transitions. [2021-04-29 07:58:01,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:01,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 106 transitions. [2021-04-29 07:58:01,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:01,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:01,737 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:01,737 INFO L185 Difference]: Start difference. First operand has 32 places, 37 transitions, 279 flow. Second operand 6 states and 106 transitions. [2021-04-29 07:58:01,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 48 transitions, 448 flow [2021-04-29 07:58:01,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 394 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-04-29 07:58:01,743 INFO L241 Difference]: Finished difference. Result has 39 places, 45 transitions, 338 flow [2021-04-29 07:58:01,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=338, PETRI_PLACES=39, PETRI_TRANSITIONS=45} [2021-04-29 07:58:01,743 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 8 predicate places. [2021-04-29 07:58:01,743 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:01,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 45 transitions, 338 flow [2021-04-29 07:58:01,744 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 45 transitions, 338 flow [2021-04-29 07:58:01,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 45 transitions, 338 flow [2021-04-29 07:58:01,755 INFO L129 PetriNetUnfolder]: 45/110 cut-off events. [2021-04-29 07:58:01,756 INFO L130 PetriNetUnfolder]: For 155/159 co-relation queries the response was YES. [2021-04-29 07:58:01,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 110 events. 45/110 cut-off events. For 155/159 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 408 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 328. Up to 48 conditions per place. [2021-04-29 07:58:01,758 INFO L146 LiptonReduction]: Number of co-enabled transitions 152 [2021-04-29 07:58:01,764 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:01,764 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:01,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 07:58:01,765 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 45 transitions, 338 flow [2021-04-29 07:58:01,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:01,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:01,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:01,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:01,980 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash 35541882, now seen corresponding path program 3 times [2021-04-29 07:58:01,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:01,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991020701] [2021-04-29 07:58:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:02,041 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size [2021-04-29 07:58:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:02,070 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-04-29 07:58:02,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:02,099 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-04-29 07:58:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:02,120 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:02,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991020701] [2021-04-29 07:58:02,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760223611] [2021-04-29 07:58:02,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:02,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:02,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 07:58:02,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:02,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:58:02,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:02,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:02,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:02,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:02,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,248 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:58:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:02,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:02,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:02,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:02,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:02,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:02,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:02,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:02,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:02,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:02,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:02,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:58:02,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 07:58:02,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:02,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:02,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:02,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:02,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:02,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-04-29 07:58:02,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:02,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:02,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:02,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:58:02,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420567742] [2021-04-29 07:58:02,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:02,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:02,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:02,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:02,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:02,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 45 transitions, 338 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:02,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:02,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:02,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:02,575 INFO L129 PetriNetUnfolder]: 113/213 cut-off events. [2021-04-29 07:58:02,575 INFO L130 PetriNetUnfolder]: For 487/499 co-relation queries the response was YES. [2021-04-29 07:58:02,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 213 events. 113/213 cut-off events. For 487/499 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 780 event pairs, 9 based on Foata normal form. 9/222 useless extension candidates. Maximal degree in co-relation 828. Up to 151 conditions per place. [2021-04-29 07:58:02,579 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 31 selfloop transitions, 27 changer transitions 0/64 dead transitions. [2021-04-29 07:58:02,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 589 flow [2021-04-29 07:58:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 07:58:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 07:58:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2021-04-29 07:58:02,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.459375 [2021-04-29 07:58:02,582 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 147 transitions. [2021-04-29 07:58:02,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 147 transitions. [2021-04-29 07:58:02,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:02,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 147 transitions. [2021-04-29 07:58:02,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 18.375) internal successors, (147), 8 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:02,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:02,585 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:02,585 INFO L185 Difference]: Start difference. First operand has 39 places, 45 transitions, 338 flow. Second operand 8 states and 147 transitions. [2021-04-29 07:58:02,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 589 flow [2021-04-29 07:58:02,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 64 transitions, 569 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-29 07:58:02,594 INFO L241 Difference]: Finished difference. Result has 47 places, 58 transitions, 513 flow [2021-04-29 07:58:02,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=513, PETRI_PLACES=47, PETRI_TRANSITIONS=58} [2021-04-29 07:58:02,594 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 16 predicate places. [2021-04-29 07:58:02,595 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:02,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 58 transitions, 513 flow [2021-04-29 07:58:02,595 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 58 transitions, 513 flow [2021-04-29 07:58:02,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 58 transitions, 513 flow [2021-04-29 07:58:02,620 INFO L129 PetriNetUnfolder]: 54/126 cut-off events. [2021-04-29 07:58:02,620 INFO L130 PetriNetUnfolder]: For 288/289 co-relation queries the response was YES. [2021-04-29 07:58:02,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 126 events. 54/126 cut-off events. For 288/289 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 509 event pairs, 1 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 448. Up to 51 conditions per place. [2021-04-29 07:58:02,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 172 [2021-04-29 07:58:02,634 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:02,634 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:02,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 07:58:02,636 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 58 transitions, 513 flow [2021-04-29 07:58:02,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:02,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:02,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:02,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:02,852 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:02,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:02,853 INFO L82 PathProgramCache]: Analyzing trace with hash 926256768, now seen corresponding path program 4 times [2021-04-29 07:58:02,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:02,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682187706] [2021-04-29 07:58:02,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:02,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.4 percent of original size [2021-04-29 07:58:02,913 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size 35 [2021-04-29 07:58:02,955 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-04-29 07:58:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:02,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:02,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:02,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:02,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:03,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682187706] [2021-04-29 07:58:03,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660867307] [2021-04-29 07:58:03,001 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:03,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:03,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:03,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 07:58:03,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:03,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,076 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 07:58:03,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:03,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:03,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:03,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:03,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:03,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:03,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:03,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-04-29 07:58:03,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:03,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:03,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 07:58:03,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:03,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:03,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-04-29 07:58:03,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:03,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:03,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:58:03,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705798667] [2021-04-29 07:58:03,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:58:03,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:03,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:58:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:58:03,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:03,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 58 transitions, 513 flow. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:03,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:03,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:03,329 INFO L129 PetriNetUnfolder]: 120/233 cut-off events. [2021-04-29 07:58:03,329 INFO L130 PetriNetUnfolder]: For 729/735 co-relation queries the response was YES. [2021-04-29 07:58:03,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 233 events. 120/233 cut-off events. For 729/735 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 922 event pairs, 20 based on Foata normal form. 7/240 useless extension candidates. Maximal degree in co-relation 999. Up to 181 conditions per place. [2021-04-29 07:58:03,333 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 48 selfloop transitions, 11 changer transitions 0/65 dead transitions. [2021-04-29 07:58:03,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 65 transitions, 681 flow [2021-04-29 07:58:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:58:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:58:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2021-04-29 07:58:03,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-04-29 07:58:03,334 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 106 transitions. [2021-04-29 07:58:03,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 106 transitions. [2021-04-29 07:58:03,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:03,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 106 transitions. [2021-04-29 07:58:03,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,336 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,337 INFO L185 Difference]: Start difference. First operand has 47 places, 58 transitions, 513 flow. Second operand 6 states and 106 transitions. [2021-04-29 07:58:03,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 65 transitions, 681 flow [2021-04-29 07:58:03,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 65 transitions, 613 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:03,343 INFO L241 Difference]: Finished difference. Result has 50 places, 62 transitions, 515 flow [2021-04-29 07:58:03,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=515, PETRI_PLACES=50, PETRI_TRANSITIONS=62} [2021-04-29 07:58:03,344 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 19 predicate places. [2021-04-29 07:58:03,344 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:03,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 62 transitions, 515 flow [2021-04-29 07:58:03,345 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 62 transitions, 515 flow [2021-04-29 07:58:03,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 62 transitions, 515 flow [2021-04-29 07:58:03,361 INFO L129 PetriNetUnfolder]: 56/139 cut-off events. [2021-04-29 07:58:03,361 INFO L130 PetriNetUnfolder]: For 285/287 co-relation queries the response was YES. [2021-04-29 07:58:03,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 139 events. 56/139 cut-off events. For 285/287 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 591 event pairs, 2 based on Foata normal form. 1/136 useless extension candidates. Maximal degree in co-relation 474. Up to 56 conditions per place. [2021-04-29 07:58:03,364 INFO L146 LiptonReduction]: Number of co-enabled transitions 182 [2021-04-29 07:58:03,374 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:03,374 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:03,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-04-29 07:58:03,375 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 62 transitions, 515 flow [2021-04-29 07:58:03,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:03,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:03,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:03,589 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:03,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:03,590 INFO L82 PathProgramCache]: Analyzing trace with hash 507311376, now seen corresponding path program 5 times [2021-04-29 07:58:03,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:03,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717344999] [2021-04-29 07:58:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:03,651 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.4 percent of original size [2021-04-29 07:58:03,652 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size 35 [2021-04-29 07:58:03,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:03,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717344999] [2021-04-29 07:58:03,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114238032] [2021-04-29 07:58:03,728 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:03,762 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:03,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:03,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 07:58:03,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:03,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,799 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-04-29 07:58:03,800 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 07:58:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:58:03,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:58:03,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:58:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:58:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-04-29 07:58:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:03,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:58:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:58:03,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:03,895 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-04-29 07:58:03,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-04-29 07:58:03,896 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 07:58:03,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:03,899 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:58:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:03,902 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:03,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:03,909 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:3 [2021-04-29 07:58:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:03,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:03,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:58:03,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396376536] [2021-04-29 07:58:03,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:03,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:03,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:03,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:03,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 62 transitions, 515 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:03,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:03,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:03,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:04,143 INFO L129 PetriNetUnfolder]: 123/243 cut-off events. [2021-04-29 07:58:04,143 INFO L130 PetriNetUnfolder]: For 842/882 co-relation queries the response was YES. [2021-04-29 07:58:04,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 243 events. 123/243 cut-off events. For 842/882 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 984 event pairs, 11 based on Foata normal form. 11/252 useless extension candidates. Maximal degree in co-relation 1033. Up to 184 conditions per place. [2021-04-29 07:58:04,147 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 49 selfloop transitions, 16 changer transitions 0/71 dead transitions. [2021-04-29 07:58:04,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 71 transitions, 711 flow [2021-04-29 07:58:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:58:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:58:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2021-04-29 07:58:04,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45416666666666666 [2021-04-29 07:58:04,149 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 109 transitions. [2021-04-29 07:58:04,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 109 transitions. [2021-04-29 07:58:04,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:04,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 109 transitions. [2021-04-29 07:58:04,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,151 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,151 INFO L185 Difference]: Start difference. First operand has 50 places, 62 transitions, 515 flow. Second operand 6 states and 109 transitions. [2021-04-29 07:58:04,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 71 transitions, 711 flow [2021-04-29 07:58:04,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 71 transitions, 685 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 07:58:04,159 INFO L241 Difference]: Finished difference. Result has 54 places, 67 transitions, 584 flow [2021-04-29 07:58:04,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=584, PETRI_PLACES=54, PETRI_TRANSITIONS=67} [2021-04-29 07:58:04,159 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 23 predicate places. [2021-04-29 07:58:04,159 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:04,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 67 transitions, 584 flow [2021-04-29 07:58:04,160 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 67 transitions, 584 flow [2021-04-29 07:58:04,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 67 transitions, 584 flow [2021-04-29 07:58:04,178 INFO L129 PetriNetUnfolder]: 60/148 cut-off events. [2021-04-29 07:58:04,178 INFO L130 PetriNetUnfolder]: For 400/406 co-relation queries the response was YES. [2021-04-29 07:58:04,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 148 events. 60/148 cut-off events. For 400/406 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 657 event pairs, 2 based on Foata normal form. 2/148 useless extension candidates. Maximal degree in co-relation 527. Up to 57 conditions per place. [2021-04-29 07:58:04,181 INFO L146 LiptonReduction]: Number of co-enabled transitions 190 [2021-04-29 07:58:04,193 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:04,193 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:04,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-29 07:58:04,194 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 584 flow [2021-04-29 07:58:04,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:04,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:04,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-04-29 07:58:04,409 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:04,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:04,410 INFO L82 PathProgramCache]: Analyzing trace with hash -2072880090, now seen corresponding path program 6 times [2021-04-29 07:58:04,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:04,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909398797] [2021-04-29 07:58:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:04,453 INFO L142 QuantifierPusher]: treesize reduction 40, result has 49.4 percent of original size [2021-04-29 07:58:04,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:58:04,521 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-04-29 07:58:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:04,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:58:04,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:04,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909398797] [2021-04-29 07:58:04,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528910750] [2021-04-29 07:58:04,547 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:04,582 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:58:04,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:04,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-04-29 07:58:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:04,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,622 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-04-29 07:58:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:04,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:04,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,689 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size [2021-04-29 07:58:04,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:04,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:04,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:04,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:04,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:04,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:04,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:58:04,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2021-04-29 07:58:04,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 07:58:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:04,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:04,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,733 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:58:04,742 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,747 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:58:04,747 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 07:58:04,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:04,748 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:19 [2021-04-29 07:58:04,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 07:58:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:04,771 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:58:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,777 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:58:04,778 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:04,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 07:58:04,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:04,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:04,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:04,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:04,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:04,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:04,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:58:04,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294252597] [2021-04-29 07:58:04,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:04,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:04,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:04,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:04,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:04,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 584 flow. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:04,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:04,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:05,113 INFO L129 PetriNetUnfolder]: 147/282 cut-off events. [2021-04-29 07:58:05,113 INFO L130 PetriNetUnfolder]: For 1158/1164 co-relation queries the response was YES. [2021-04-29 07:58:05,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 282 events. 147/282 cut-off events. For 1158/1164 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1172 event pairs, 13 based on Foata normal form. 4/284 useless extension candidates. Maximal degree in co-relation 1290. Up to 192 conditions per place. [2021-04-29 07:58:05,117 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 49 selfloop transitions, 35 changer transitions 0/90 dead transitions. [2021-04-29 07:58:05,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 90 transitions, 962 flow [2021-04-29 07:58:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 07:58:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 07:58:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2021-04-29 07:58:05,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.471875 [2021-04-29 07:58:05,119 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 151 transitions. [2021-04-29 07:58:05,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 151 transitions. [2021-04-29 07:58:05,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:05,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 151 transitions. [2021-04-29 07:58:05,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,121 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,121 INFO L185 Difference]: Start difference. First operand has 54 places, 67 transitions, 584 flow. Second operand 8 states and 151 transitions. [2021-04-29 07:58:05,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 90 transitions, 962 flow [2021-04-29 07:58:05,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 90 transitions, 904 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-04-29 07:58:05,132 INFO L241 Difference]: Finished difference. Result has 62 places, 83 transitions, 802 flow [2021-04-29 07:58:05,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=802, PETRI_PLACES=62, PETRI_TRANSITIONS=83} [2021-04-29 07:58:05,132 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 31 predicate places. [2021-04-29 07:58:05,132 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:05,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 83 transitions, 802 flow [2021-04-29 07:58:05,133 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 83 transitions, 802 flow [2021-04-29 07:58:05,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 83 transitions, 802 flow [2021-04-29 07:58:05,155 INFO L129 PetriNetUnfolder]: 71/170 cut-off events. [2021-04-29 07:58:05,155 INFO L130 PetriNetUnfolder]: For 679/688 co-relation queries the response was YES. [2021-04-29 07:58:05,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 170 events. 71/170 cut-off events. For 679/688 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 765 event pairs, 3 based on Foata normal form. 1/168 useless extension candidates. Maximal degree in co-relation 701. Up to 63 conditions per place. [2021-04-29 07:58:05,158 INFO L146 LiptonReduction]: Number of co-enabled transitions 226 [2021-04-29 07:58:05,176 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:05,176 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:05,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-04-29 07:58:05,177 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 83 transitions, 802 flow [2021-04-29 07:58:05,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:05,177 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:05,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:05,392 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:05,393 INFO L82 PathProgramCache]: Analyzing trace with hash 461109114, now seen corresponding path program 7 times [2021-04-29 07:58:05,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:05,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706277595] [2021-04-29 07:58:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:05,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:05,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:05,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:05,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706277595] [2021-04-29 07:58:05,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470894392] [2021-04-29 07:58:05,429 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:58:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:05,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:05,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:05,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:05,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:05,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:05,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:05,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,492 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:05,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:05,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:05,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:05,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:05,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:05,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:05,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:05,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:58:05,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064307037] [2021-04-29 07:58:05,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:05,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:05,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:05,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:05,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:58:05,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 83 transitions, 802 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:05,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:58:05,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:05,686 INFO L129 PetriNetUnfolder]: 127/285 cut-off events. [2021-04-29 07:58:05,686 INFO L130 PetriNetUnfolder]: For 1547/1567 co-relation queries the response was YES. [2021-04-29 07:58:05,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 285 events. 127/285 cut-off events. For 1547/1567 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1388 event pairs, 4 based on Foata normal form. 10/289 useless extension candidates. Maximal degree in co-relation 1337. Up to 108 conditions per place. [2021-04-29 07:58:05,691 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 30 selfloop transitions, 59 changer transitions 3/118 dead transitions. [2021-04-29 07:58:05,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 118 transitions, 1361 flow [2021-04-29 07:58:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:58:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:58:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 265 transitions. [2021-04-29 07:58:05,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273 [2021-04-29 07:58:05,693 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 265 transitions. [2021-04-29 07:58:05,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 265 transitions. [2021-04-29 07:58:05,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:05,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 265 transitions. [2021-04-29 07:58:05,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 24.09090909090909) internal successors, (265), 11 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,696 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,696 INFO L185 Difference]: Start difference. First operand has 62 places, 83 transitions, 802 flow. Second operand 11 states and 265 transitions. [2021-04-29 07:58:05,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 118 transitions, 1361 flow [2021-04-29 07:58:05,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 118 transitions, 1225 flow, removed 59 selfloop flow, removed 2 redundant places. [2021-04-29 07:58:05,711 INFO L241 Difference]: Finished difference. Result has 74 places, 108 transitions, 1139 flow [2021-04-29 07:58:05,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1139, PETRI_PLACES=74, PETRI_TRANSITIONS=108} [2021-04-29 07:58:05,712 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 43 predicate places. [2021-04-29 07:58:05,712 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:05,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 108 transitions, 1139 flow [2021-04-29 07:58:05,713 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 108 transitions, 1139 flow [2021-04-29 07:58:05,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 108 transitions, 1139 flow [2021-04-29 07:58:05,752 INFO L129 PetriNetUnfolder]: 121/277 cut-off events. [2021-04-29 07:58:05,752 INFO L130 PetriNetUnfolder]: For 1704/1726 co-relation queries the response was YES. [2021-04-29 07:58:05,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 277 events. 121/277 cut-off events. For 1704/1726 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1402 event pairs, 3 based on Foata normal form. 4/277 useless extension candidates. Maximal degree in co-relation 1274. Up to 90 conditions per place. [2021-04-29 07:58:05,759 INFO L146 LiptonReduction]: Number of co-enabled transitions 228 [2021-04-29 07:58:05,791 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:05,791 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:05,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-04-29 07:58:05,792 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 108 transitions, 1139 flow [2021-04-29 07:58:05,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:05,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:06,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-04-29 07:58:06,007 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:06,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:06,008 INFO L82 PathProgramCache]: Analyzing trace with hash -680475164, now seen corresponding path program 1 times [2021-04-29 07:58:06,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:06,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208210554] [2021-04-29 07:58:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:06,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:06,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208210554] [2021-04-29 07:58:06,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828971902] [2021-04-29 07:58:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:06,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:58:06,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,118 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:06,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:06,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:06,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,133 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:06,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:06,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:58:06,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363444794] [2021-04-29 07:58:06,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:58:06,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:06,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:58:06,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:58:06,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2021-04-29 07:58:06,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 108 transitions, 1139 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:06,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2021-04-29 07:58:06,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:06,355 INFO L129 PetriNetUnfolder]: 234/502 cut-off events. [2021-04-29 07:58:06,355 INFO L130 PetriNetUnfolder]: For 4442/4448 co-relation queries the response was YES. [2021-04-29 07:58:06,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3092 conditions, 502 events. 234/502 cut-off events. For 4442/4448 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2727 event pairs, 8 based on Foata normal form. 32/533 useless extension candidates. Maximal degree in co-relation 2873. Up to 170 conditions per place. [2021-04-29 07:58:06,364 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 91 selfloop transitions, 93 changer transitions 7/198 dead transitions. [2021-04-29 07:58:06,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 198 transitions, 2748 flow [2021-04-29 07:58:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:58:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:58:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 217 transitions. [2021-04-29 07:58:06,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5425 [2021-04-29 07:58:06,366 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 217 transitions. [2021-04-29 07:58:06,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 217 transitions. [2021-04-29 07:58:06,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:06,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 217 transitions. [2021-04-29 07:58:06,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.7) internal successors, (217), 10 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,369 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,369 INFO L185 Difference]: Start difference. First operand has 74 places, 108 transitions, 1139 flow. Second operand 10 states and 217 transitions. [2021-04-29 07:58:06,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 198 transitions, 2748 flow [2021-04-29 07:58:06,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 198 transitions, 2559 flow, removed 83 selfloop flow, removed 1 redundant places. [2021-04-29 07:58:06,400 INFO L241 Difference]: Finished difference. Result has 86 places, 149 transitions, 1952 flow [2021-04-29 07:58:06,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1952, PETRI_PLACES=86, PETRI_TRANSITIONS=149} [2021-04-29 07:58:06,400 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 55 predicate places. [2021-04-29 07:58:06,400 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:06,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 149 transitions, 1952 flow [2021-04-29 07:58:06,401 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 149 transitions, 1952 flow [2021-04-29 07:58:06,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 149 transitions, 1952 flow [2021-04-29 07:58:06,457 INFO L129 PetriNetUnfolder]: 160/380 cut-off events. [2021-04-29 07:58:06,457 INFO L130 PetriNetUnfolder]: For 3673/3727 co-relation queries the response was YES. [2021-04-29 07:58:06,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2283 conditions, 380 events. 160/380 cut-off events. For 3673/3727 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2082 event pairs, 6 based on Foata normal form. 4/381 useless extension candidates. Maximal degree in co-relation 2081. Up to 138 conditions per place. [2021-04-29 07:58:06,466 INFO L146 LiptonReduction]: Number of co-enabled transitions 270 [2021-04-29 07:58:06,514 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:06,514 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:06,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-29 07:58:06,515 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 149 transitions, 1952 flow [2021-04-29 07:58:06,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:06,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:06,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-04-29 07:58:06,729 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:06,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:06,730 INFO L82 PathProgramCache]: Analyzing trace with hash 652298046, now seen corresponding path program 2 times [2021-04-29 07:58:06,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:06,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829739336] [2021-04-29 07:58:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:06,746 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:06,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829739336] [2021-04-29 07:58:06,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778179141] [2021-04-29 07:58:06,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:06,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:06,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:06,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:58:06,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:06,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:06,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:06,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:06,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:06,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:06,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:06,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:58:06,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619134166] [2021-04-29 07:58:06,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:58:06,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:06,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:58:06,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:58:06,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2021-04-29 07:58:06,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 149 transitions, 1952 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:06,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2021-04-29 07:58:06,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:06,984 INFO L129 PetriNetUnfolder]: 208/416 cut-off events. [2021-04-29 07:58:06,985 INFO L130 PetriNetUnfolder]: For 5027/5033 co-relation queries the response was YES. [2021-04-29 07:58:06,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2910 conditions, 416 events. 208/416 cut-off events. For 5027/5033 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2028 event pairs, 23 based on Foata normal form. 17/433 useless extension candidates. Maximal degree in co-relation 2745. Up to 162 conditions per place. [2021-04-29 07:58:06,992 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 77 selfloop transitions, 73 changer transitions 0/157 dead transitions. [2021-04-29 07:58:06,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 157 transitions, 2332 flow [2021-04-29 07:58:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 07:58:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 07:58:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-04-29 07:58:06,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.545 [2021-04-29 07:58:06,994 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-04-29 07:58:06,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-04-29 07:58:06,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:06,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-04-29 07:58:06,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,996 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:06,996 INFO L185 Difference]: Start difference. First operand has 85 places, 149 transitions, 1952 flow. Second operand 5 states and 109 transitions. [2021-04-29 07:58:06,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 157 transitions, 2332 flow [2021-04-29 07:58:07,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 157 transitions, 2211 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:07,028 INFO L241 Difference]: Finished difference. Result has 86 places, 145 transitions, 1939 flow [2021-04-29 07:58:07,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1762, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1939, PETRI_PLACES=86, PETRI_TRANSITIONS=145} [2021-04-29 07:58:07,028 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 55 predicate places. [2021-04-29 07:58:07,028 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:07,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 145 transitions, 1939 flow [2021-04-29 07:58:07,029 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 145 transitions, 1939 flow [2021-04-29 07:58:07,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 145 transitions, 1939 flow [2021-04-29 07:58:07,081 INFO L129 PetriNetUnfolder]: 149/336 cut-off events. [2021-04-29 07:58:07,081 INFO L130 PetriNetUnfolder]: For 2784/2809 co-relation queries the response was YES. [2021-04-29 07:58:07,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1990 conditions, 336 events. 149/336 cut-off events. For 2784/2809 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1763 event pairs, 2 based on Foata normal form. 3/338 useless extension candidates. Maximal degree in co-relation 1833. Up to 130 conditions per place. [2021-04-29 07:58:07,090 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-29 07:58:07,109 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:07,109 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:07,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-04-29 07:58:07,110 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 145 transitions, 1939 flow [2021-04-29 07:58:07,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:07,110 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:07,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-04-29 07:58:07,324 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:07,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:07,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1204174708, now seen corresponding path program 8 times [2021-04-29 07:58:07,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:07,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593673217] [2021-04-29 07:58:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:07,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:07,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:07,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:07,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593673217] [2021-04-29 07:58:07,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797922266] [2021-04-29 07:58:07,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:58:07,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:07,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:07,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:07,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:07,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:07,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,436 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:07,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:07,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:07,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:07,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:07,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:07,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:07,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:07,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:07,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:07,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:07,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308130647] [2021-04-29 07:58:07,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:07,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:07,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:07,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:07,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 145 transitions, 1939 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:07,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:07,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:07,737 INFO L129 PetriNetUnfolder]: 251/505 cut-off events. [2021-04-29 07:58:07,738 INFO L130 PetriNetUnfolder]: For 4853/4877 co-relation queries the response was YES. [2021-04-29 07:58:07,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3382 conditions, 505 events. 251/505 cut-off events. For 4853/4877 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2630 event pairs, 9 based on Foata normal form. 15/520 useless extension candidates. Maximal degree in co-relation 3200. Up to 306 conditions per place. [2021-04-29 07:58:07,746 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 154 selfloop transitions, 53 changer transitions 1/215 dead transitions. [2021-04-29 07:58:07,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 215 transitions, 3397 flow [2021-04-29 07:58:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:58:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:58:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 240 transitions. [2021-04-29 07:58:07,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-04-29 07:58:07,748 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 240 transitions. [2021-04-29 07:58:07,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 240 transitions. [2021-04-29 07:58:07,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:07,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 240 transitions. [2021-04-29 07:58:07,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,751 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,751 INFO L185 Difference]: Start difference. First operand has 86 places, 145 transitions, 1939 flow. Second operand 12 states and 240 transitions. [2021-04-29 07:58:07,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 215 transitions, 3397 flow [2021-04-29 07:58:07,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 215 transitions, 3142 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:07,787 INFO L241 Difference]: Finished difference. Result has 96 places, 181 transitions, 2504 flow [2021-04-29 07:58:07,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1757, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2504, PETRI_PLACES=96, PETRI_TRANSITIONS=181} [2021-04-29 07:58:07,787 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 65 predicate places. [2021-04-29 07:58:07,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:07,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 181 transitions, 2504 flow [2021-04-29 07:58:07,788 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 181 transitions, 2504 flow [2021-04-29 07:58:07,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 181 transitions, 2504 flow [2021-04-29 07:58:07,860 INFO L129 PetriNetUnfolder]: 196/440 cut-off events. [2021-04-29 07:58:07,860 INFO L130 PetriNetUnfolder]: For 4357/4393 co-relation queries the response was YES. [2021-04-29 07:58:07,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2723 conditions, 440 events. 196/440 cut-off events. For 4357/4393 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2489 event pairs, 9 based on Foata normal form. 10/445 useless extension candidates. Maximal degree in co-relation 2542. Up to 179 conditions per place. [2021-04-29 07:58:07,871 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-29 07:58:07,894 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:07,894 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:07,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 07:58:07,896 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 181 transitions, 2504 flow [2021-04-29 07:58:07,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:07,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:07,896 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:08,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-04-29 07:58:08,110 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:08,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:08,111 INFO L82 PathProgramCache]: Analyzing trace with hash 845883678, now seen corresponding path program 9 times [2021-04-29 07:58:08,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:08,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167117392] [2021-04-29 07:58:08,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:08,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:08,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:08,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:08,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:08,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167117392] [2021-04-29 07:58:08,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729312434] [2021-04-29 07:58:08,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:08,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:08,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:08,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:08,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:08,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:08,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:08,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:08,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:08,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:08,266 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:08,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:08,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:08,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:08,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:08,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:08,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:08,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:08,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:08,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:58:08,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113464426] [2021-04-29 07:58:08,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:08,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:08,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:08,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:08,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:08,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 181 transitions, 2504 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:08,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:08,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:08,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:08,596 INFO L129 PetriNetUnfolder]: 269/554 cut-off events. [2021-04-29 07:58:08,596 INFO L130 PetriNetUnfolder]: For 5651/5657 co-relation queries the response was YES. [2021-04-29 07:58:08,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 554 events. 269/554 cut-off events. For 5651/5657 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2992 event pairs, 11 based on Foata normal form. 7/561 useless extension candidates. Maximal degree in co-relation 3707. Up to 321 conditions per place. [2021-04-29 07:58:08,606 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 166 selfloop transitions, 55 changer transitions 1/229 dead transitions. [2021-04-29 07:58:08,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 229 transitions, 3724 flow [2021-04-29 07:58:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 07:58:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 07:58:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2021-04-29 07:58:08,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.509375 [2021-04-29 07:58:08,608 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 163 transitions. [2021-04-29 07:58:08,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 163 transitions. [2021-04-29 07:58:08,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:08,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 163 transitions. [2021-04-29 07:58:08,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:08,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:08,610 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:08,610 INFO L185 Difference]: Start difference. First operand has 96 places, 181 transitions, 2504 flow. Second operand 8 states and 163 transitions. [2021-04-29 07:58:08,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 229 transitions, 3724 flow [2021-04-29 07:58:08,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 229 transitions, 3414 flow, removed 152 selfloop flow, removed 1 redundant places. [2021-04-29 07:58:08,666 INFO L241 Difference]: Finished difference. Result has 105 places, 197 transitions, 2666 flow [2021-04-29 07:58:08,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=2252, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2666, PETRI_PLACES=105, PETRI_TRANSITIONS=197} [2021-04-29 07:58:08,667 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 74 predicate places. [2021-04-29 07:58:08,667 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:08,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 197 transitions, 2666 flow [2021-04-29 07:58:08,668 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 197 transitions, 2666 flow [2021-04-29 07:58:08,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 197 transitions, 2666 flow [2021-04-29 07:58:08,749 INFO L129 PetriNetUnfolder]: 207/468 cut-off events. [2021-04-29 07:58:08,750 INFO L130 PetriNetUnfolder]: For 4367/4397 co-relation queries the response was YES. [2021-04-29 07:58:08,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 468 events. 207/468 cut-off events. For 4367/4397 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2742 event pairs, 7 based on Foata normal form. 4/469 useless extension candidates. Maximal degree in co-relation 2734. Up to 173 conditions per place. [2021-04-29 07:58:08,763 INFO L146 LiptonReduction]: Number of co-enabled transitions 386 [2021-04-29 07:58:08,792 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:08,792 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:08,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-04-29 07:58:08,793 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 197 transitions, 2666 flow [2021-04-29 07:58:08,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:08,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:08,793 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:09,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-29 07:58:09,007 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:09,008 INFO L82 PathProgramCache]: Analyzing trace with hash 397010940, now seen corresponding path program 10 times [2021-04-29 07:58:09,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:09,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979589627] [2021-04-29 07:58:09,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:09,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:09,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:09,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:09,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:09,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979589627] [2021-04-29 07:58:09,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393399546] [2021-04-29 07:58:09,050 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:09,102 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:09,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:09,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:09,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:09,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:09,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:09,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:09,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:09,194 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:09,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:09,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:09,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:09,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:09,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:09,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:58:09,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438051684] [2021-04-29 07:58:09,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:09,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:09,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:09,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:09,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:58:09,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 197 transitions, 2666 flow. Second operand has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:09,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:09,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:58:09,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:09,575 INFO L129 PetriNetUnfolder]: 329/732 cut-off events. [2021-04-29 07:58:09,576 INFO L130 PetriNetUnfolder]: For 9246/9335 co-relation queries the response was YES. [2021-04-29 07:58:09,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5294 conditions, 732 events. 329/732 cut-off events. For 9246/9335 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4497 event pairs, 14 based on Foata normal form. 36/764 useless extension candidates. Maximal degree in co-relation 5000. Up to 295 conditions per place. [2021-04-29 07:58:09,594 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 89 selfloop transitions, 154 changer transitions 1/286 dead transitions. [2021-04-29 07:58:09,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 286 transitions, 4640 flow [2021-04-29 07:58:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:58:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:58:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 278 transitions. [2021-04-29 07:58:09,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6318181818181818 [2021-04-29 07:58:09,597 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 278 transitions. [2021-04-29 07:58:09,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 278 transitions. [2021-04-29 07:58:09,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:09,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 278 transitions. [2021-04-29 07:58:09,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:09,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:09,600 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:09,601 INFO L185 Difference]: Start difference. First operand has 105 places, 197 transitions, 2666 flow. Second operand 11 states and 278 transitions. [2021-04-29 07:58:09,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 286 transitions, 4640 flow [2021-04-29 07:58:09,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 286 transitions, 4534 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-04-29 07:58:09,681 INFO L241 Difference]: Finished difference. Result has 119 places, 272 transitions, 4446 flow [2021-04-29 07:58:09,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=2564, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4446, PETRI_PLACES=119, PETRI_TRANSITIONS=272} [2021-04-29 07:58:09,682 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 88 predicate places. [2021-04-29 07:58:09,682 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:09,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 272 transitions, 4446 flow [2021-04-29 07:58:09,683 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 272 transitions, 4446 flow [2021-04-29 07:58:09,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 272 transitions, 4446 flow [2021-04-29 07:58:09,832 INFO L129 PetriNetUnfolder]: 307/696 cut-off events. [2021-04-29 07:58:09,832 INFO L130 PetriNetUnfolder]: For 9738/9914 co-relation queries the response was YES. [2021-04-29 07:58:09,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4930 conditions, 696 events. 307/696 cut-off events. For 9738/9914 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4347 event pairs, 14 based on Foata normal form. 11/698 useless extension candidates. Maximal degree in co-relation 4656. Up to 284 conditions per place. [2021-04-29 07:58:09,854 INFO L146 LiptonReduction]: Number of co-enabled transitions 426 [2021-04-29 07:58:09,893 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:09,894 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:09,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-04-29 07:58:09,894 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 272 transitions, 4446 flow [2021-04-29 07:58:09,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:09,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:09,895 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:10,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:10,110 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:10,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1852195646, now seen corresponding path program 11 times [2021-04-29 07:58:10,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:10,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384625277] [2021-04-29 07:58:10,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:10,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:10,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:10,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:10,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384625277] [2021-04-29 07:58:10,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209112982] [2021-04-29 07:58:10,164 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:10,210 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:10,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:10,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:10,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:10,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:10,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:10,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:10,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:10,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:10,308 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:10,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:10,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:10,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:10,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:10,325 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:10,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:10,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:10,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:10,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:10,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079219875] [2021-04-29 07:58:10,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:10,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:10,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:10,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:10,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:10,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 272 transitions, 4446 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:10,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:10,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:10,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:10,980 INFO L129 PetriNetUnfolder]: 451/955 cut-off events. [2021-04-29 07:58:10,981 INFO L130 PetriNetUnfolder]: For 14443/14473 co-relation queries the response was YES. [2021-04-29 07:58:10,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7375 conditions, 955 events. 451/955 cut-off events. For 14443/14473 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5939 event pairs, 56 based on Foata normal form. 26/981 useless extension candidates. Maximal degree in co-relation 7015. Up to 642 conditions per place. [2021-04-29 07:58:11,015 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 237 selfloop transitions, 70 changer transitions 1/315 dead transitions. [2021-04-29 07:58:11,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 315 transitions, 5740 flow [2021-04-29 07:58:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:58:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:58:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 242 transitions. [2021-04-29 07:58:11,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5041666666666667 [2021-04-29 07:58:11,018 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 242 transitions. [2021-04-29 07:58:11,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 242 transitions. [2021-04-29 07:58:11,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:11,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 242 transitions. [2021-04-29 07:58:11,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.166666666666668) internal successors, (242), 12 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:11,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:11,031 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:11,031 INFO L185 Difference]: Start difference. First operand has 119 places, 272 transitions, 4446 flow. Second operand 12 states and 242 transitions. [2021-04-29 07:58:11,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 315 transitions, 5740 flow [2021-04-29 07:58:11,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 315 transitions, 5642 flow, removed 49 selfloop flow, removed 0 redundant places. [2021-04-29 07:58:11,167 INFO L241 Difference]: Finished difference. Result has 134 places, 293 transitions, 4846 flow [2021-04-29 07:58:11,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=4348, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4846, PETRI_PLACES=134, PETRI_TRANSITIONS=293} [2021-04-29 07:58:11,168 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 103 predicate places. [2021-04-29 07:58:11,168 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:11,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 293 transitions, 4846 flow [2021-04-29 07:58:11,169 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 293 transitions, 4846 flow [2021-04-29 07:58:11,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 293 transitions, 4846 flow [2021-04-29 07:58:11,357 INFO L129 PetriNetUnfolder]: 351/801 cut-off events. [2021-04-29 07:58:11,357 INFO L130 PetriNetUnfolder]: For 12792/12914 co-relation queries the response was YES. [2021-04-29 07:58:11,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5936 conditions, 801 events. 351/801 cut-off events. For 12792/12914 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5242 event pairs, 20 based on Foata normal form. 10/801 useless extension candidates. Maximal degree in co-relation 5622. Up to 324 conditions per place. [2021-04-29 07:58:11,383 INFO L146 LiptonReduction]: Number of co-enabled transitions 482 [2021-04-29 07:58:11,425 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:11,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:11,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-29 07:58:11,426 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 293 transitions, 4846 flow [2021-04-29 07:58:11,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:11,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:11,427 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:11,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-04-29 07:58:11,644 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:11,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:11,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1881054476, now seen corresponding path program 12 times [2021-04-29 07:58:11,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:11,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779687751] [2021-04-29 07:58:11,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:11,668 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:11,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:11,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:11,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:11,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779687751] [2021-04-29 07:58:11,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802267261] [2021-04-29 07:58:11,719 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:11,754 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:58:11,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:11,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:11,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:11,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:11,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:11,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:11,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:11,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:11,853 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:11,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:11,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:11,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:11,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:11,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:11,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:11,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:11,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801442677] [2021-04-29 07:58:11,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:11,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:11,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:11,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:11,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:11,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 293 transitions, 4846 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:11,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:11,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:11,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:12,377 INFO L129 PetriNetUnfolder]: 451/935 cut-off events. [2021-04-29 07:58:12,377 INFO L130 PetriNetUnfolder]: For 16685/16744 co-relation queries the response was YES. [2021-04-29 07:58:12,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7702 conditions, 935 events. 451/935 cut-off events. For 16685/16744 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5702 event pairs, 47 based on Foata normal form. 46/981 useless extension candidates. Maximal degree in co-relation 7351. Up to 586 conditions per place. [2021-04-29 07:58:12,392 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 233 selfloop transitions, 90 changer transitions 1/331 dead transitions. [2021-04-29 07:58:12,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 331 transitions, 6210 flow [2021-04-29 07:58:12,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:58:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:58:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-04-29 07:58:12,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5019230769230769 [2021-04-29 07:58:12,400 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-04-29 07:58:12,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-04-29 07:58:12,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:12,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-04-29 07:58:12,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:12,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:12,403 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:12,403 INFO L185 Difference]: Start difference. First operand has 134 places, 293 transitions, 4846 flow. Second operand 13 states and 261 transitions. [2021-04-29 07:58:12,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 331 transitions, 6210 flow [2021-04-29 07:58:12,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 331 transitions, 5912 flow, removed 124 selfloop flow, removed 3 redundant places. [2021-04-29 07:58:12,553 INFO L241 Difference]: Finished difference. Result has 147 places, 298 transitions, 4893 flow [2021-04-29 07:58:12,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=4604, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4893, PETRI_PLACES=147, PETRI_TRANSITIONS=298} [2021-04-29 07:58:12,553 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 116 predicate places. [2021-04-29 07:58:12,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:12,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 298 transitions, 4893 flow [2021-04-29 07:58:12,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 298 transitions, 4893 flow [2021-04-29 07:58:12,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 298 transitions, 4893 flow [2021-04-29 07:58:12,748 INFO L129 PetriNetUnfolder]: 359/811 cut-off events. [2021-04-29 07:58:12,748 INFO L130 PetriNetUnfolder]: For 12007/12137 co-relation queries the response was YES. [2021-04-29 07:58:12,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5983 conditions, 811 events. 359/811 cut-off events. For 12007/12137 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5267 event pairs, 21 based on Foata normal form. 5/805 useless extension candidates. Maximal degree in co-relation 5872. Up to 323 conditions per place. [2021-04-29 07:58:12,770 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-29 07:58:12,803 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:12,803 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:12,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-04-29 07:58:12,804 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 298 transitions, 4893 flow [2021-04-29 07:58:12,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:12,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:12,804 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:13,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:13,019 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:13,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1378591068, now seen corresponding path program 13 times [2021-04-29 07:58:13,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:13,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286130327] [2021-04-29 07:58:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:13,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:13,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:13,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286130327] [2021-04-29 07:58:13,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714502486] [2021-04-29 07:58:13,076 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:13,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:13,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:13,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:13,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:13,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:13,183 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:13,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:13,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:13,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:13,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:13,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:13,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:13,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:13,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:13,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,196 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:58:13,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:13,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:13,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:13,201 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:13,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:13,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:13,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:13,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198394830] [2021-04-29 07:58:13,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:13,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:13,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:13,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:13,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:13,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 298 transitions, 4893 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:13,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:13,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:13,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:13,801 INFO L129 PetriNetUnfolder]: 485/1059 cut-off events. [2021-04-29 07:58:13,801 INFO L130 PetriNetUnfolder]: For 18038/18044 co-relation queries the response was YES. [2021-04-29 07:58:13,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8629 conditions, 1059 events. 485/1059 cut-off events. For 18038/18044 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 6965 event pairs, 28 based on Foata normal form. 16/1075 useless extension candidates. Maximal degree in co-relation 8487. Up to 424 conditions per place. [2021-04-29 07:58:13,821 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 228 selfloop transitions, 147 changer transitions 3/385 dead transitions. [2021-04-29 07:58:13,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 385 transitions, 7212 flow [2021-04-29 07:58:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 07:58:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 07:58:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 331 transitions. [2021-04-29 07:58:13,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48676470588235293 [2021-04-29 07:58:13,823 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 331 transitions. [2021-04-29 07:58:13,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 331 transitions. [2021-04-29 07:58:13,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:13,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 331 transitions. [2021-04-29 07:58:13,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 19.470588235294116) internal successors, (331), 17 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:13,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:13,827 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:13,827 INFO L185 Difference]: Start difference. First operand has 147 places, 298 transitions, 4893 flow. Second operand 17 states and 331 transitions. [2021-04-29 07:58:13,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 385 transitions, 7212 flow [2021-04-29 07:58:13,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 385 transitions, 6925 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-04-29 07:58:13,936 INFO L241 Difference]: Finished difference. Result has 165 places, 360 transitions, 6370 flow [2021-04-29 07:58:13,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=4667, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6370, PETRI_PLACES=165, PETRI_TRANSITIONS=360} [2021-04-29 07:58:13,937 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 134 predicate places. [2021-04-29 07:58:13,937 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:13,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 360 transitions, 6370 flow [2021-04-29 07:58:13,937 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 360 transitions, 6370 flow [2021-04-29 07:58:13,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 360 transitions, 6370 flow [2021-04-29 07:58:14,079 INFO L129 PetriNetUnfolder]: 394/913 cut-off events. [2021-04-29 07:58:14,080 INFO L130 PetriNetUnfolder]: For 17302/17436 co-relation queries the response was YES. [2021-04-29 07:58:14,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 913 events. 394/913 cut-off events. For 17302/17436 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6268 event pairs, 17 based on Foata normal form. 10/911 useless extension candidates. Maximal degree in co-relation 7141. Up to 349 conditions per place. [2021-04-29 07:58:14,136 INFO L146 LiptonReduction]: Number of co-enabled transitions 542 [2021-04-29 07:58:14,183 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:14,184 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:14,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-04-29 07:58:14,184 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 360 transitions, 6370 flow [2021-04-29 07:58:14,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:14,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:14,185 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:14,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-04-29 07:58:14,401 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:14,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1544230202, now seen corresponding path program 14 times [2021-04-29 07:58:14,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:14,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280030775] [2021-04-29 07:58:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:14,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:14,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:14,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:14,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280030775] [2021-04-29 07:58:14,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414188027] [2021-04-29 07:58:14,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:58:14,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:14,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:14,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:14,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:14,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:14,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:14,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:14,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:14,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:14,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:14,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:14,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:14,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:14,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:14,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:14,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:14,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733376686] [2021-04-29 07:58:14,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:14,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:14,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:14,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:14,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:14,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 360 transitions, 6370 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:14,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:14,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:14,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:15,053 INFO L129 PetriNetUnfolder]: 488/1063 cut-off events. [2021-04-29 07:58:15,053 INFO L130 PetriNetUnfolder]: For 21409/21431 co-relation queries the response was YES. [2021-04-29 07:58:15,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9397 conditions, 1063 events. 488/1063 cut-off events. For 21409/21431 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7004 event pairs, 52 based on Foata normal form. 21/1084 useless extension candidates. Maximal degree in co-relation 9268. Up to 596 conditions per place. [2021-04-29 07:58:15,075 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 257 selfloop transitions, 126 changer transitions 1/391 dead transitions. [2021-04-29 07:58:15,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 391 transitions, 7700 flow [2021-04-29 07:58:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:58:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:58:15,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 281 transitions. [2021-04-29 07:58:15,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5017857142857143 [2021-04-29 07:58:15,077 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 281 transitions. [2021-04-29 07:58:15,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 281 transitions. [2021-04-29 07:58:15,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:15,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 281 transitions. [2021-04-29 07:58:15,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:15,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:15,080 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:15,080 INFO L185 Difference]: Start difference. First operand has 165 places, 360 transitions, 6370 flow. Second operand 14 states and 281 transitions. [2021-04-29 07:58:15,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 391 transitions, 7700 flow [2021-04-29 07:58:15,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 391 transitions, 7224 flow, removed 222 selfloop flow, removed 3 redundant places. [2021-04-29 07:58:15,248 INFO L241 Difference]: Finished difference. Result has 177 places, 361 transitions, 6306 flow [2021-04-29 07:58:15,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5854, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6306, PETRI_PLACES=177, PETRI_TRANSITIONS=361} [2021-04-29 07:58:15,248 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 146 predicate places. [2021-04-29 07:58:15,248 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:15,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 361 transitions, 6306 flow [2021-04-29 07:58:15,249 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 361 transitions, 6306 flow [2021-04-29 07:58:15,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 177 places, 361 transitions, 6306 flow [2021-04-29 07:58:15,402 INFO L129 PetriNetUnfolder]: 394/924 cut-off events. [2021-04-29 07:58:15,402 INFO L130 PetriNetUnfolder]: For 16120/16257 co-relation queries the response was YES. [2021-04-29 07:58:15,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7207 conditions, 924 events. 394/924 cut-off events. For 16120/16257 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6402 event pairs, 17 based on Foata normal form. 13/928 useless extension candidates. Maximal degree in co-relation 7084. Up to 341 conditions per place. [2021-04-29 07:58:15,461 INFO L146 LiptonReduction]: Number of co-enabled transitions 554 [2021-04-29 07:58:15,509 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:15,509 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:15,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-04-29 07:58:15,510 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 361 transitions, 6306 flow [2021-04-29 07:58:15,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:15,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:15,511 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:15,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:15,725 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:15,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:15,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1939924096, now seen corresponding path program 15 times [2021-04-29 07:58:15,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:15,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596504368] [2021-04-29 07:58:15,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:15,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:15,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:15,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:15,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:15,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596504368] [2021-04-29 07:58:15,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762103339] [2021-04-29 07:58:15,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:58:15,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:15,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:15,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:15,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:15,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:15,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:15,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:15,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:15,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:15,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:15,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:15,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:15,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:58:15,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449572700] [2021-04-29 07:58:15,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:15,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:15,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:15,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:15,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:58:15,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 361 transitions, 6306 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:15,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:15,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:58:15,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:16,261 INFO L129 PetriNetUnfolder]: 390/922 cut-off events. [2021-04-29 07:58:16,261 INFO L130 PetriNetUnfolder]: For 17922/17973 co-relation queries the response was YES. [2021-04-29 07:58:16,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7857 conditions, 922 events. 390/922 cut-off events. For 17922/17973 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6348 event pairs, 7 based on Foata normal form. 25/943 useless extension candidates. Maximal degree in co-relation 7725. Up to 335 conditions per place. [2021-04-29 07:58:16,274 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 173 selfloop transitions, 141 changer transitions 5/375 dead transitions. [2021-04-29 07:58:16,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 375 transitions, 7324 flow [2021-04-29 07:58:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:58:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:58:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 346 transitions. [2021-04-29 07:58:16,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6178571428571429 [2021-04-29 07:58:16,275 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 346 transitions. [2021-04-29 07:58:16,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 346 transitions. [2021-04-29 07:58:16,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:16,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 346 transitions. [2021-04-29 07:58:16,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:16,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:16,278 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:16,278 INFO L185 Difference]: Start difference. First operand has 177 places, 361 transitions, 6306 flow. Second operand 14 states and 346 transitions. [2021-04-29 07:58:16,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 375 transitions, 7324 flow [2021-04-29 07:58:16,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 375 transitions, 7100 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-04-29 07:58:16,393 INFO L241 Difference]: Finished difference. Result has 179 places, 355 transitions, 6324 flow [2021-04-29 07:58:16,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5913, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6324, PETRI_PLACES=179, PETRI_TRANSITIONS=355} [2021-04-29 07:58:16,393 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 148 predicate places. [2021-04-29 07:58:16,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:16,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 355 transitions, 6324 flow [2021-04-29 07:58:16,394 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 355 transitions, 6324 flow [2021-04-29 07:58:16,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 355 transitions, 6324 flow [2021-04-29 07:58:16,501 INFO L129 PetriNetUnfolder]: 384/871 cut-off events. [2021-04-29 07:58:16,501 INFO L130 PetriNetUnfolder]: For 17025/17141 co-relation queries the response was YES. [2021-04-29 07:58:16,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7064 conditions, 871 events. 384/871 cut-off events. For 17025/17141 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 5803 event pairs, 13 based on Foata normal form. 6/868 useless extension candidates. Maximal degree in co-relation 6939. Up to 328 conditions per place. [2021-04-29 07:58:16,516 INFO L146 LiptonReduction]: Number of co-enabled transitions 550 [2021-04-29 07:58:16,545 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:16,545 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:16,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-04-29 07:58:16,546 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 355 transitions, 6324 flow [2021-04-29 07:58:16,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:16,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:16,546 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:16,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-04-29 07:58:16,747 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:16,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:16,748 INFO L82 PathProgramCache]: Analyzing trace with hash 986752632, now seen corresponding path program 16 times [2021-04-29 07:58:16,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:16,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925418911] [2021-04-29 07:58:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:16,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:16,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:16,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:16,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925418911] [2021-04-29 07:58:16,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807295471] [2021-04-29 07:58:16,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:16,836 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:16,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:16,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:16,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:16,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:16,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:16,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:16,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:16,910 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:16,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:16,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:16,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:58:16,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:16,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:16,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:16,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:16,926 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:16,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:16,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:16,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:58:16,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509759061] [2021-04-29 07:58:16,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:16,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:16,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:16,939 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:16,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 355 transitions, 6324 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:16,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:16,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:16,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:17,821 INFO L129 PetriNetUnfolder]: 706/1700 cut-off events. [2021-04-29 07:58:17,821 INFO L130 PetriNetUnfolder]: For 45642/45672 co-relation queries the response was YES. [2021-04-29 07:58:17,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15630 conditions, 1700 events. 706/1700 cut-off events. For 45642/45672 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13274 event pairs, 28 based on Foata normal form. 35/1735 useless extension candidates. Maximal degree in co-relation 15432. Up to 577 conditions per place. [2021-04-29 07:58:17,844 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 277 selfloop transitions, 294 changer transitions 1/579 dead transitions. [2021-04-29 07:58:17,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 579 transitions, 12565 flow [2021-04-29 07:58:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 07:58:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 07:58:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 601 transitions. [2021-04-29 07:58:17,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5008333333333334 [2021-04-29 07:58:17,847 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 601 transitions. [2021-04-29 07:58:17,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 601 transitions. [2021-04-29 07:58:17,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:17,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 601 transitions. [2021-04-29 07:58:17,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 20.033333333333335) internal successors, (601), 30 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:17,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 40.0) internal successors, (1240), 31 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:17,853 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 40.0) internal successors, (1240), 31 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:17,853 INFO L185 Difference]: Start difference. First operand has 178 places, 355 transitions, 6324 flow. Second operand 30 states and 601 transitions. [2021-04-29 07:58:17,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 579 transitions, 12565 flow [2021-04-29 07:58:18,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 579 transitions, 11836 flow, removed 315 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:18,079 INFO L241 Difference]: Finished difference. Result has 212 places, 500 transitions, 10230 flow [2021-04-29 07:58:18,080 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=6019, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=10230, PETRI_PLACES=212, PETRI_TRANSITIONS=500} [2021-04-29 07:58:18,080 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 181 predicate places. [2021-04-29 07:58:18,080 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:18,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 500 transitions, 10230 flow [2021-04-29 07:58:18,080 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 500 transitions, 10230 flow [2021-04-29 07:58:18,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 500 transitions, 10230 flow [2021-04-29 07:58:18,351 INFO L129 PetriNetUnfolder]: 619/1539 cut-off events. [2021-04-29 07:58:18,352 INFO L130 PetriNetUnfolder]: For 44446/44503 co-relation queries the response was YES. [2021-04-29 07:58:18,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13802 conditions, 1539 events. 619/1539 cut-off events. For 44446/44503 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12259 event pairs, 26 based on Foata normal form. 5/1536 useless extension candidates. Maximal degree in co-relation 13630. Up to 553 conditions per place. [2021-04-29 07:58:18,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 694 [2021-04-29 07:58:18,423 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:18,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:18,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-04-29 07:58:18,424 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 500 transitions, 10230 flow [2021-04-29 07:58:18,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:18,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:18,424 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:18,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-29 07:58:18,625 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:18,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:18,626 INFO L82 PathProgramCache]: Analyzing trace with hash -942229806, now seen corresponding path program 17 times [2021-04-29 07:58:18,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:18,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044520585] [2021-04-29 07:58:18,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:18,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:18,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044520585] [2021-04-29 07:58:18,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882748501] [2021-04-29 07:58:18,669 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:18,693 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:58:18,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:18,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:18,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:18,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:18,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:18,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:18,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:18,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:18,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:18,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:18,760 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:18,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:18,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:18,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:18,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:18,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:18,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:18,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:18,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:18,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:18,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:18,781 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:18,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:18,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:18,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474044839] [2021-04-29 07:58:18,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:18,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:18,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:18,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:18,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:18,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 500 transitions, 10230 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:18,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:18,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:18,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:19,885 INFO L129 PetriNetUnfolder]: 746/1817 cut-off events. [2021-04-29 07:58:19,885 INFO L130 PetriNetUnfolder]: For 53875/53905 co-relation queries the response was YES. [2021-04-29 07:58:19,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17378 conditions, 1817 events. 746/1817 cut-off events. For 53875/53905 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14633 event pairs, 33 based on Foata normal form. 30/1847 useless extension candidates. Maximal degree in co-relation 17138. Up to 616 conditions per place. [2021-04-29 07:58:19,914 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 282 selfloop transitions, 324 changer transitions 0/613 dead transitions. [2021-04-29 07:58:19,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 613 transitions, 14145 flow [2021-04-29 07:58:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 07:58:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 07:58:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 528 transitions. [2021-04-29 07:58:19,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5076923076923077 [2021-04-29 07:58:19,918 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 528 transitions. [2021-04-29 07:58:19,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 528 transitions. [2021-04-29 07:58:19,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:19,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 528 transitions. [2021-04-29 07:58:19,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 20.307692307692307) internal successors, (528), 26 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:19,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 40.0) internal successors, (1080), 27 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:19,922 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 40.0) internal successors, (1080), 27 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:19,923 INFO L185 Difference]: Start difference. First operand has 212 places, 500 transitions, 10230 flow. Second operand 26 states and 528 transitions. [2021-04-29 07:58:19,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 613 transitions, 14145 flow [2021-04-29 07:58:20,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 613 transitions, 11003 flow, removed 1507 selfloop flow, removed 11 redundant places. [2021-04-29 07:58:20,466 INFO L241 Difference]: Finished difference. Result has 239 places, 564 transitions, 10088 flow [2021-04-29 07:58:20,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=7805, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=10088, PETRI_PLACES=239, PETRI_TRANSITIONS=564} [2021-04-29 07:58:20,468 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 208 predicate places. [2021-04-29 07:58:20,468 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:20,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 564 transitions, 10088 flow [2021-04-29 07:58:20,468 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 564 transitions, 10088 flow [2021-04-29 07:58:20,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 564 transitions, 10088 flow [2021-04-29 07:58:20,712 INFO L129 PetriNetUnfolder]: 656/1679 cut-off events. [2021-04-29 07:58:20,713 INFO L130 PetriNetUnfolder]: For 28864/28923 co-relation queries the response was YES. [2021-04-29 07:58:20,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12270 conditions, 1679 events. 656/1679 cut-off events. For 28864/28923 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 14008 event pairs, 4 based on Foata normal form. 9/1678 useless extension candidates. Maximal degree in co-relation 12081. Up to 452 conditions per place. [2021-04-29 07:58:20,740 INFO L146 LiptonReduction]: Number of co-enabled transitions 804 [2021-04-29 07:58:20,799 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:20,799 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:20,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 331 [2021-04-29 07:58:20,799 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 564 transitions, 10088 flow [2021-04-29 07:58:20,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:20,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:20,800 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:21,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-04-29 07:58:21,001 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:21,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:21,002 INFO L82 PathProgramCache]: Analyzing trace with hash -923201134, now seen corresponding path program 18 times [2021-04-29 07:58:21,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:21,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683129602] [2021-04-29 07:58:21,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:21,017 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:21,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:21,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:21,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:21,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:21,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683129602] [2021-04-29 07:58:21,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349101055] [2021-04-29 07:58:21,047 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:21,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:58:21,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:21,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:21,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:21,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:21,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:21,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:21,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:21,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:21,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:21,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:21,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:21,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:21,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:21,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:21,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:21,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:21,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:21,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:21,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:21,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:21,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:21,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:21,191 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:21,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:21,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:21,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:21,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844531031] [2021-04-29 07:58:21,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:21,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:21,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:21,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:21,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 564 transitions, 10088 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:21,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:21,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:21,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:22,119 INFO L129 PetriNetUnfolder]: 752/1837 cut-off events. [2021-04-29 07:58:22,120 INFO L130 PetriNetUnfolder]: For 32581/32593 co-relation queries the response was YES. [2021-04-29 07:58:22,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14731 conditions, 1837 events. 752/1837 cut-off events. For 32581/32593 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14855 event pairs, 23 based on Foata normal form. 20/1857 useless extension candidates. Maximal degree in co-relation 14487. Up to 716 conditions per place. [2021-04-29 07:58:22,151 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 352 selfloop transitions, 284 changer transitions 0/643 dead transitions. [2021-04-29 07:58:22,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 643 transitions, 12792 flow [2021-04-29 07:58:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 07:58:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 07:58:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 352 transitions. [2021-04-29 07:58:22,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5176470588235295 [2021-04-29 07:58:22,154 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 352 transitions. [2021-04-29 07:58:22,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 352 transitions. [2021-04-29 07:58:22,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:22,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 352 transitions. [2021-04-29 07:58:22,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 20.705882352941178) internal successors, (352), 17 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:22,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:22,157 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:22,157 INFO L185 Difference]: Start difference. First operand has 239 places, 564 transitions, 10088 flow. Second operand 17 states and 352 transitions. [2021-04-29 07:58:22,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 643 transitions, 12792 flow [2021-04-29 07:58:22,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 643 transitions, 12112 flow, removed 292 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:22,684 INFO L241 Difference]: Finished difference. Result has 253 places, 584 transitions, 10598 flow [2021-04-29 07:58:22,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=9464, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10598, PETRI_PLACES=253, PETRI_TRANSITIONS=584} [2021-04-29 07:58:22,685 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 222 predicate places. [2021-04-29 07:58:22,685 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:22,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 584 transitions, 10598 flow [2021-04-29 07:58:22,686 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 584 transitions, 10598 flow [2021-04-29 07:58:22,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 584 transitions, 10598 flow [2021-04-29 07:58:22,941 INFO L129 PetriNetUnfolder]: 664/1705 cut-off events. [2021-04-29 07:58:22,942 INFO L130 PetriNetUnfolder]: For 25453/25501 co-relation queries the response was YES. [2021-04-29 07:58:22,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12131 conditions, 1705 events. 664/1705 cut-off events. For 25453/25501 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14285 event pairs, 5 based on Foata normal form. 11/1704 useless extension candidates. Maximal degree in co-relation 11972. Up to 420 conditions per place. [2021-04-29 07:58:22,971 INFO L146 LiptonReduction]: Number of co-enabled transitions 838 [2021-04-29 07:58:23,035 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:23,035 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:23,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 350 [2021-04-29 07:58:23,036 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 584 transitions, 10598 flow [2021-04-29 07:58:23,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:23,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:23,036 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:23,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-04-29 07:58:23,237 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:23,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:23,238 INFO L82 PathProgramCache]: Analyzing trace with hash -221288780, now seen corresponding path program 19 times [2021-04-29 07:58:23,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:23,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949869930] [2021-04-29 07:58:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:23,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:23,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:23,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:23,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949869930] [2021-04-29 07:58:23,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860085300] [2021-04-29 07:58:23,279 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:23,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:23,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:23,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:23,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:23,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:23,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:23,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:23,372 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:23,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:23,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:23,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:23,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:23,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:23,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:23,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:23,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447390750] [2021-04-29 07:58:23,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:23,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:23,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:23,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:23,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:23,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 584 transitions, 10598 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:23,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:23,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:23,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:24,181 INFO L129 PetriNetUnfolder]: 748/1824 cut-off events. [2021-04-29 07:58:24,181 INFO L130 PetriNetUnfolder]: For 27775/27781 co-relation queries the response was YES. [2021-04-29 07:58:24,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14267 conditions, 1824 events. 748/1824 cut-off events. For 27775/27781 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14717 event pairs, 34 based on Foata normal form. 11/1835 useless extension candidates. Maximal degree in co-relation 14099. Up to 821 conditions per place. [2021-04-29 07:58:24,203 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 346 selfloop transitions, 281 changer transitions 0/634 dead transitions. [2021-04-29 07:58:24,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 634 transitions, 12677 flow [2021-04-29 07:58:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 07:58:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 07:58:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 309 transitions. [2021-04-29 07:58:24,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.515 [2021-04-29 07:58:24,205 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 309 transitions. [2021-04-29 07:58:24,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 309 transitions. [2021-04-29 07:58:24,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:24,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 309 transitions. [2021-04-29 07:58:24,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.6) internal successors, (309), 15 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:24,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:24,208 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:24,208 INFO L185 Difference]: Start difference. First operand has 253 places, 584 transitions, 10598 flow. Second operand 15 states and 309 transitions. [2021-04-29 07:58:24,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 634 transitions, 12677 flow [2021-04-29 07:58:24,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 634 transitions, 12416 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:24,471 INFO L241 Difference]: Finished difference. Result has 265 places, 598 transitions, 11324 flow [2021-04-29 07:58:24,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=10338, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11324, PETRI_PLACES=265, PETRI_TRANSITIONS=598} [2021-04-29 07:58:24,472 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 234 predicate places. [2021-04-29 07:58:24,472 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:24,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 598 transitions, 11324 flow [2021-04-29 07:58:24,472 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 598 transitions, 11324 flow [2021-04-29 07:58:24,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 598 transitions, 11324 flow [2021-04-29 07:58:24,728 INFO L129 PetriNetUnfolder]: 656/1686 cut-off events. [2021-04-29 07:58:24,728 INFO L130 PetriNetUnfolder]: For 27221/27290 co-relation queries the response was YES. [2021-04-29 07:58:24,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12281 conditions, 1686 events. 656/1686 cut-off events. For 27221/27290 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14132 event pairs, 4 based on Foata normal form. 10/1684 useless extension candidates. Maximal degree in co-relation 12119. Up to 390 conditions per place. [2021-04-29 07:58:24,758 INFO L146 LiptonReduction]: Number of co-enabled transitions 850 [2021-04-29 07:58:24,848 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:24,848 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:24,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-04-29 07:58:24,849 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 598 transitions, 11324 flow [2021-04-29 07:58:24,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:24,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:24,849 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:25,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-04-29 07:58:25,063 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:25,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:25,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1963175594, now seen corresponding path program 20 times [2021-04-29 07:58:25,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:25,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247690753] [2021-04-29 07:58:25,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:25,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:25,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:25,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:25,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:25,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:25,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247690753] [2021-04-29 07:58:25,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451974541] [2021-04-29 07:58:25,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:58:25,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:25,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:25,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:25,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:25,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:25,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:25,219 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:25,238 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:25,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:25,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:58:25,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169814366] [2021-04-29 07:58:25,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:25,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:25,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:25,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:25,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:25,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 598 transitions, 11324 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:25,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:25,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:25,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:26,050 INFO L129 PetriNetUnfolder]: 744/1820 cut-off events. [2021-04-29 07:58:26,050 INFO L130 PetriNetUnfolder]: For 29226/29232 co-relation queries the response was YES. [2021-04-29 07:58:26,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14534 conditions, 1820 events. 744/1820 cut-off events. For 29226/29232 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 14705 event pairs, 23 based on Foata normal form. 14/1834 useless extension candidates. Maximal degree in co-relation 14363. Up to 765 conditions per place. [2021-04-29 07:58:26,081 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 343 selfloop transitions, 303 changer transitions 0/653 dead transitions. [2021-04-29 07:58:26,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 653 transitions, 13598 flow [2021-04-29 07:58:26,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:58:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:58:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 426 transitions. [2021-04-29 07:58:26,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5071428571428571 [2021-04-29 07:58:26,083 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 426 transitions. [2021-04-29 07:58:26,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 426 transitions. [2021-04-29 07:58:26,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:26,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 426 transitions. [2021-04-29 07:58:26,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.285714285714285) internal successors, (426), 21 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:26,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:26,087 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:26,087 INFO L185 Difference]: Start difference. First operand has 265 places, 598 transitions, 11324 flow. Second operand 21 states and 426 transitions. [2021-04-29 07:58:26,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 653 transitions, 13598 flow [2021-04-29 07:58:26,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 653 transitions, 13156 flow, removed 71 selfloop flow, removed 9 redundant places. [2021-04-29 07:58:26,391 INFO L241 Difference]: Finished difference. Result has 282 places, 608 transitions, 11994 flow [2021-04-29 07:58:26,392 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=10799, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11994, PETRI_PLACES=282, PETRI_TRANSITIONS=608} [2021-04-29 07:58:26,392 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 251 predicate places. [2021-04-29 07:58:26,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:26,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 608 transitions, 11994 flow [2021-04-29 07:58:26,393 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 608 transitions, 11994 flow [2021-04-29 07:58:26,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 282 places, 608 transitions, 11994 flow [2021-04-29 07:58:26,725 INFO L129 PetriNetUnfolder]: 655/1689 cut-off events. [2021-04-29 07:58:26,725 INFO L130 PetriNetUnfolder]: For 27989/28049 co-relation queries the response was YES. [2021-04-29 07:58:26,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12820 conditions, 1689 events. 655/1689 cut-off events. For 27989/28049 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14245 event pairs, 7 based on Foata normal form. 10/1690 useless extension candidates. Maximal degree in co-relation 12648. Up to 381 conditions per place. [2021-04-29 07:58:26,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 872 [2021-04-29 07:58:26,836 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:26,836 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:26,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-04-29 07:58:26,837 INFO L480 AbstractCegarLoop]: Abstraction has has 282 places, 608 transitions, 11994 flow [2021-04-29 07:58:26,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:26,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:26,837 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:27,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:27,052 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:27,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1723154454, now seen corresponding path program 21 times [2021-04-29 07:58:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:27,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478858215] [2021-04-29 07:58:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:27,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:27,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:27,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478858215] [2021-04-29 07:58:27,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791874787] [2021-04-29 07:58:27,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:27,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:27,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:27,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:27,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:27,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:27,201 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:27,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:27,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:27,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:27,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:27,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:27,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:27,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:27,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:27,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:27,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049812560] [2021-04-29 07:58:27,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:27,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:27,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:27,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:27,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:27,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 608 transitions, 11994 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:27,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:27,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:27,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:28,148 INFO L129 PetriNetUnfolder]: 750/1824 cut-off events. [2021-04-29 07:58:28,148 INFO L130 PetriNetUnfolder]: For 30740/30767 co-relation queries the response was YES. [2021-04-29 07:58:28,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15134 conditions, 1824 events. 750/1824 cut-off events. For 30740/30767 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14695 event pairs, 42 based on Foata normal form. 29/1853 useless extension candidates. Maximal degree in co-relation 14915. Up to 812 conditions per place. [2021-04-29 07:58:28,172 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 347 selfloop transitions, 289 changer transitions 0/643 dead transitions. [2021-04-29 07:58:28,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 643 transitions, 13831 flow [2021-04-29 07:58:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:58:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:58:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 331 transitions. [2021-04-29 07:58:28,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5171875 [2021-04-29 07:58:28,174 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 331 transitions. [2021-04-29 07:58:28,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 331 transitions. [2021-04-29 07:58:28,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:28,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 331 transitions. [2021-04-29 07:58:28,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.6875) internal successors, (331), 16 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:28,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:28,177 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:28,177 INFO L185 Difference]: Start difference. First operand has 282 places, 608 transitions, 11994 flow. Second operand 16 states and 331 transitions. [2021-04-29 07:58:28,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 643 transitions, 13831 flow [2021-04-29 07:58:28,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 643 transitions, 13390 flow, removed 69 selfloop flow, removed 14 redundant places. [2021-04-29 07:58:28,517 INFO L241 Difference]: Finished difference. Result has 286 places, 612 transitions, 12399 flow [2021-04-29 07:58:28,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=11496, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12399, PETRI_PLACES=286, PETRI_TRANSITIONS=612} [2021-04-29 07:58:28,519 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 255 predicate places. [2021-04-29 07:58:28,519 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:28,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 612 transitions, 12399 flow [2021-04-29 07:58:28,520 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 612 transitions, 12399 flow [2021-04-29 07:58:28,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 612 transitions, 12399 flow [2021-04-29 07:58:28,942 INFO L129 PetriNetUnfolder]: 663/1700 cut-off events. [2021-04-29 07:58:28,943 INFO L130 PetriNetUnfolder]: For 29041/29099 co-relation queries the response was YES. [2021-04-29 07:58:29,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13193 conditions, 1700 events. 663/1700 cut-off events. For 29041/29099 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14212 event pairs, 5 based on Foata normal form. 9/1700 useless extension candidates. Maximal degree in co-relation 12981. Up to 379 conditions per place. [2021-04-29 07:58:29,028 INFO L146 LiptonReduction]: Number of co-enabled transitions 890 [2021-04-29 07:58:29,096 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:29,096 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:29,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-04-29 07:58:29,096 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 612 transitions, 12399 flow [2021-04-29 07:58:29,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:29,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:29,097 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:29,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:29,298 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:29,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:29,298 INFO L82 PathProgramCache]: Analyzing trace with hash -379971700, now seen corresponding path program 22 times [2021-04-29 07:58:29,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:29,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730370300] [2021-04-29 07:58:29,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:29,312 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:29,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:29,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730370300] [2021-04-29 07:58:29,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111660341] [2021-04-29 07:58:29,340 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:29,370 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:29,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:29,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:29,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:29,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:29,393 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:29,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:29,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:29,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:29,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 07:58:29,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973355475] [2021-04-29 07:58:29,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:58:29,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:29,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:58:29,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:58:29,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:29,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 612 transitions, 12399 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:29,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:29,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:29,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:30,294 INFO L129 PetriNetUnfolder]: 800/2011 cut-off events. [2021-04-29 07:58:30,294 INFO L130 PetriNetUnfolder]: For 34163/34175 co-relation queries the response was YES. [2021-04-29 07:58:30,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17002 conditions, 2011 events. 800/2011 cut-off events. For 34163/34175 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 16924 event pairs, 30 based on Foata normal form. 18/2029 useless extension candidates. Maximal degree in co-relation 16775. Up to 1166 conditions per place. [2021-04-29 07:58:30,324 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 571 selfloop transitions, 157 changer transitions 0/735 dead transitions. [2021-04-29 07:58:30,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 735 transitions, 16689 flow [2021-04-29 07:58:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:58:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:58:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-04-29 07:58:30,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5019230769230769 [2021-04-29 07:58:30,326 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-04-29 07:58:30,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-04-29 07:58:30,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:30,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-04-29 07:58:30,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:30,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:30,328 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:30,328 INFO L185 Difference]: Start difference. First operand has 286 places, 612 transitions, 12399 flow. Second operand 13 states and 261 transitions. [2021-04-29 07:58:30,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 735 transitions, 16689 flow [2021-04-29 07:58:30,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 735 transitions, 16384 flow, removed 17 selfloop flow, removed 8 redundant places. [2021-04-29 07:58:30,803 INFO L241 Difference]: Finished difference. Result has 298 places, 690 transitions, 14864 flow [2021-04-29 07:58:30,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=12138, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14864, PETRI_PLACES=298, PETRI_TRANSITIONS=690} [2021-04-29 07:58:30,803 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 267 predicate places. [2021-04-29 07:58:30,804 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:30,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 690 transitions, 14864 flow [2021-04-29 07:58:30,804 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 690 transitions, 14864 flow [2021-04-29 07:58:30,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 690 transitions, 14864 flow [2021-04-29 07:58:31,101 INFO L129 PetriNetUnfolder]: 708/1864 cut-off events. [2021-04-29 07:58:31,101 INFO L130 PetriNetUnfolder]: For 33887/33955 co-relation queries the response was YES. [2021-04-29 07:58:31,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14910 conditions, 1864 events. 708/1864 cut-off events. For 33887/33955 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 16225 event pairs, 5 based on Foata normal form. 9/1865 useless extension candidates. Maximal degree in co-relation 14684. Up to 410 conditions per place. [2021-04-29 07:58:31,137 INFO L146 LiptonReduction]: Number of co-enabled transitions 1040 [2021-04-29 07:58:31,217 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:31,218 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:31,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-04-29 07:58:31,218 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 690 transitions, 14864 flow [2021-04-29 07:58:31,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:31,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:31,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:31,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:31,419 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:31,420 INFO L82 PathProgramCache]: Analyzing trace with hash 301340704, now seen corresponding path program 3 times [2021-04-29 07:58:31,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:31,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211850014] [2021-04-29 07:58:31,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:31,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:31,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:58:31,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211850014] [2021-04-29 07:58:31,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018508464] [2021-04-29 07:58:31,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:31,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:31,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:31,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:58:31,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:31,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:31,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:31,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:31,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:31,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:31,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:31,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:31,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:31,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:31,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:58:31,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:31,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-04-29 07:58:31,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591466905] [2021-04-29 07:58:31,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 07:58:31,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:31,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 07:58:31,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 07:58:31,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2021-04-29 07:58:31,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 690 transitions, 14864 flow. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:31,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:31,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2021-04-29 07:58:31,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:32,597 INFO L129 PetriNetUnfolder]: 818/2014 cut-off events. [2021-04-29 07:58:32,598 INFO L130 PetriNetUnfolder]: For 36788/36794 co-relation queries the response was YES. [2021-04-29 07:58:32,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17458 conditions, 2014 events. 818/2014 cut-off events. For 36788/36794 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 16738 event pairs, 35 based on Foata normal form. 11/2025 useless extension candidates. Maximal degree in co-relation 17219. Up to 1389 conditions per place. [2021-04-29 07:58:32,634 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 645 selfloop transitions, 55 changer transitions 3/710 dead transitions. [2021-04-29 07:58:32,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 710 transitions, 16493 flow [2021-04-29 07:58:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 07:58:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 07:58:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-04-29 07:58:32,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.54 [2021-04-29 07:58:32,636 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-04-29 07:58:32,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-04-29 07:58:32,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:32,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-04-29 07:58:32,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,637 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,637 INFO L185 Difference]: Start difference. First operand has 298 places, 690 transitions, 14864 flow. Second operand 5 states and 108 transitions. [2021-04-29 07:58:32,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 710 transitions, 16493 flow [2021-04-29 07:58:33,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 710 transitions, 16303 flow, removed 60 selfloop flow, removed 5 redundant places. [2021-04-29 07:58:33,115 INFO L241 Difference]: Finished difference. Result has 297 places, 692 transitions, 14755 flow [2021-04-29 07:58:33,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=14393, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=14755, PETRI_PLACES=297, PETRI_TRANSITIONS=692} [2021-04-29 07:58:33,116 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 266 predicate places. [2021-04-29 07:58:33,116 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:33,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 692 transitions, 14755 flow [2021-04-29 07:58:33,117 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 692 transitions, 14755 flow [2021-04-29 07:58:33,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 692 transitions, 14755 flow [2021-04-29 07:58:33,517 INFO L129 PetriNetUnfolder]: 715/1850 cut-off events. [2021-04-29 07:58:33,517 INFO L130 PetriNetUnfolder]: For 32936/32997 co-relation queries the response was YES. [2021-04-29 07:58:33,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14841 conditions, 1850 events. 715/1850 cut-off events. For 32936/32997 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 15865 event pairs, 6 based on Foata normal form. 9/1851 useless extension candidates. Maximal degree in co-relation 14720. Up to 419 conditions per place. [2021-04-29 07:58:33,629 INFO L146 LiptonReduction]: Number of co-enabled transitions 1012 [2021-04-29 07:58:33,715 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:33,716 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:33,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 600 [2021-04-29 07:58:33,717 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 692 transitions, 14755 flow [2021-04-29 07:58:33,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:33,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:33,717 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:33,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-04-29 07:58:33,918 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:33,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:33,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1800957838, now seen corresponding path program 23 times [2021-04-29 07:58:33,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:33,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991273410] [2021-04-29 07:58:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:33,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:33,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:33,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:33,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:33,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991273410] [2021-04-29 07:58:33,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029233020] [2021-04-29 07:58:33,968 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:33,991 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:33,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:33,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:33,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:33,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:33,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:33,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:33,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:33,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:34,019 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:34,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:34,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:34,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:34,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:34,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:34,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:34,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:34,036 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 07:58:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:34,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:34,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:34,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:34,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:34,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:34,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:34,052 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:34,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:34,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:34,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:34,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 07:58:34,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545927980] [2021-04-29 07:58:34,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:58:34,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:34,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:58:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:58:34,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:34,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 692 transitions, 14755 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:34,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:34,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:34,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:35,259 INFO L129 PetriNetUnfolder]: 840/2096 cut-off events. [2021-04-29 07:58:35,259 INFO L130 PetriNetUnfolder]: For 38183/38243 co-relation queries the response was YES. [2021-04-29 07:58:35,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18152 conditions, 2096 events. 840/2096 cut-off events. For 38183/38243 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 17679 event pairs, 43 based on Foata normal form. 50/2146 useless extension candidates. Maximal degree in co-relation 18029. Up to 707 conditions per place. [2021-04-29 07:58:35,310 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 508 selfloop transitions, 235 changer transitions 3/753 dead transitions. [2021-04-29 07:58:35,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 753 transitions, 17614 flow [2021-04-29 07:58:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:58:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:58:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 271 transitions. [2021-04-29 07:58:35,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48392857142857143 [2021-04-29 07:58:35,312 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 271 transitions. [2021-04-29 07:58:35,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 271 transitions. [2021-04-29 07:58:35,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:35,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 271 transitions. [2021-04-29 07:58:35,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.357142857142858) internal successors, (271), 14 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:35,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:35,314 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:35,314 INFO L185 Difference]: Start difference. First operand has 294 places, 692 transitions, 14755 flow. Second operand 14 states and 271 transitions. [2021-04-29 07:58:35,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 753 transitions, 17614 flow [2021-04-29 07:58:35,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 753 transitions, 17447 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:35,892 INFO L241 Difference]: Finished difference. Result has 307 places, 735 transitions, 16511 flow [2021-04-29 07:58:35,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=14583, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16511, PETRI_PLACES=307, PETRI_TRANSITIONS=735} [2021-04-29 07:58:35,894 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 276 predicate places. [2021-04-29 07:58:35,894 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:35,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 735 transitions, 16511 flow [2021-04-29 07:58:35,894 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 735 transitions, 16511 flow [2021-04-29 07:58:35,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 735 transitions, 16511 flow [2021-04-29 07:58:36,332 INFO L129 PetriNetUnfolder]: 743/1966 cut-off events. [2021-04-29 07:58:36,333 INFO L130 PetriNetUnfolder]: For 41550/41596 co-relation queries the response was YES. [2021-04-29 07:58:36,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16223 conditions, 1966 events. 743/1966 cut-off events. For 41550/41596 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 17273 event pairs, 6 based on Foata normal form. 7/1968 useless extension candidates. Maximal degree in co-relation 15987. Up to 442 conditions per place. [2021-04-29 07:58:36,393 INFO L146 LiptonReduction]: Number of co-enabled transitions 1048 [2021-04-29 07:58:36,488 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:36,488 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:36,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 594 [2021-04-29 07:58:36,488 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 735 transitions, 16511 flow [2021-04-29 07:58:36,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:36,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:36,489 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:36,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:36,696 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:36,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1465723922, now seen corresponding path program 24 times [2021-04-29 07:58:36,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:36,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265689229] [2021-04-29 07:58:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:36,715 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:36,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:36,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265689229] [2021-04-29 07:58:36,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027641006] [2021-04-29 07:58:36,740 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:36,766 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:58:36,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:36,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:36,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:36,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,788 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:58:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:36,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:36,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:36,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:36,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:36,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:36,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:36,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:36,834 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:36,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:36,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:36,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:36,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 07:58:36,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194059613] [2021-04-29 07:58:36,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:58:36,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:36,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:58:36,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:58:36,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:36,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 735 transitions, 16511 flow. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:36,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:36,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:36,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:37,885 INFO L129 PetriNetUnfolder]: 847/2145 cut-off events. [2021-04-29 07:58:37,885 INFO L130 PetriNetUnfolder]: For 44532/44538 co-relation queries the response was YES. [2021-04-29 07:58:37,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19046 conditions, 2145 events. 847/2145 cut-off events. For 44532/44538 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 18339 event pairs, 27 based on Foata normal form. 10/2155 useless extension candidates. Maximal degree in co-relation 18797. Up to 1185 conditions per place. [2021-04-29 07:58:37,917 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 588 selfloop transitions, 192 changer transitions 0/787 dead transitions. [2021-04-29 07:58:37,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 787 transitions, 19129 flow [2021-04-29 07:58:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:58:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:58:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 204 transitions. [2021-04-29 07:58:37,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.51 [2021-04-29 07:58:37,918 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 204 transitions. [2021-04-29 07:58:37,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 204 transitions. [2021-04-29 07:58:37,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:37,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 204 transitions. [2021-04-29 07:58:37,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.4) internal successors, (204), 10 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:37,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:37,919 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:37,919 INFO L185 Difference]: Start difference. First operand has 307 places, 735 transitions, 16511 flow. Second operand 10 states and 204 transitions. [2021-04-29 07:58:37,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 787 transitions, 19129 flow [2021-04-29 07:58:38,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 787 transitions, 18853 flow, removed 114 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:38,649 INFO L241 Difference]: Finished difference. Result has 315 places, 748 transitions, 17258 flow [2021-04-29 07:58:38,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=16263, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17258, PETRI_PLACES=315, PETRI_TRANSITIONS=748} [2021-04-29 07:58:38,650 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 284 predicate places. [2021-04-29 07:58:38,650 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:38,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 748 transitions, 17258 flow [2021-04-29 07:58:38,650 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 748 transitions, 17258 flow [2021-04-29 07:58:38,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 748 transitions, 17258 flow [2021-04-29 07:58:39,006 INFO L129 PetriNetUnfolder]: 752/1998 cut-off events. [2021-04-29 07:58:39,006 INFO L130 PetriNetUnfolder]: For 43813/43862 co-relation queries the response was YES. [2021-04-29 07:58:39,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16841 conditions, 1998 events. 752/1998 cut-off events. For 43813/43862 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 17730 event pairs, 5 based on Foata normal form. 4/1997 useless extension candidates. Maximal degree in co-relation 16594. Up to 449 conditions per place. [2021-04-29 07:58:39,047 INFO L146 LiptonReduction]: Number of co-enabled transitions 1076 [2021-04-29 07:58:39,145 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:39,145 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:39,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-04-29 07:58:39,146 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 748 transitions, 17258 flow [2021-04-29 07:58:39,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:39,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:39,146 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:39,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-04-29 07:58:39,347 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:39,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:39,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1420924078, now seen corresponding path program 25 times [2021-04-29 07:58:39,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:39,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168033716] [2021-04-29 07:58:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:39,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:39,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:39,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:39,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168033716] [2021-04-29 07:58:39,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466104271] [2021-04-29 07:58:39,391 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:39,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:39,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:39,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:39,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:39,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,463 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,469 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 07:58:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:39,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:39,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:39,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:39,482 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:39,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:39,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:39,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:39,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668618211] [2021-04-29 07:58:39,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:39,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:39,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:39,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:39,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:39,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 748 transitions, 17258 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:39,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:39,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:39,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:40,580 INFO L129 PetriNetUnfolder]: 949/2384 cut-off events. [2021-04-29 07:58:40,581 INFO L130 PetriNetUnfolder]: For 55010/55016 co-relation queries the response was YES. [2021-04-29 07:58:40,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21704 conditions, 2384 events. 949/2384 cut-off events. For 55010/55016 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 20739 event pairs, 35 based on Foata normal form. 9/2393 useless extension candidates. Maximal degree in co-relation 21444. Up to 755 conditions per place. [2021-04-29 07:58:40,621 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 547 selfloop transitions, 332 changer transitions 3/889 dead transitions. [2021-04-29 07:58:40,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 889 transitions, 22241 flow [2021-04-29 07:58:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 07:58:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 07:58:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 352 transitions. [2021-04-29 07:58:40,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4888888888888889 [2021-04-29 07:58:40,622 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 352 transitions. [2021-04-29 07:58:40,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 352 transitions. [2021-04-29 07:58:40,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:40,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 352 transitions. [2021-04-29 07:58:40,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 18 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:40,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:40,624 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:40,624 INFO L185 Difference]: Start difference. First operand has 315 places, 748 transitions, 17258 flow. Second operand 18 states and 352 transitions. [2021-04-29 07:58:40,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 889 transitions, 22241 flow [2021-04-29 07:58:41,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 889 transitions, 22018 flow, removed 40 selfloop flow, removed 6 redundant places. [2021-04-29 07:58:41,349 INFO L241 Difference]: Finished difference. Result has 332 places, 835 transitions, 20195 flow [2021-04-29 07:58:41,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=17062, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20195, PETRI_PLACES=332, PETRI_TRANSITIONS=835} [2021-04-29 07:58:41,350 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 301 predicate places. [2021-04-29 07:58:41,351 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:41,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 835 transitions, 20195 flow [2021-04-29 07:58:41,351 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 835 transitions, 20195 flow [2021-04-29 07:58:41,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 835 transitions, 20195 flow [2021-04-29 07:58:42,048 INFO L129 PetriNetUnfolder]: 849/2233 cut-off events. [2021-04-29 07:58:42,048 INFO L130 PetriNetUnfolder]: For 57048/57158 co-relation queries the response was YES. [2021-04-29 07:58:42,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19703 conditions, 2233 events. 849/2233 cut-off events. For 57048/57158 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20018 event pairs, 6 based on Foata normal form. 12/2240 useless extension candidates. Maximal degree in co-relation 19444. Up to 496 conditions per place. [2021-04-29 07:58:42,094 INFO L146 LiptonReduction]: Number of co-enabled transitions 1172 [2021-04-29 07:58:42,213 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:42,213 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:42,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 862 [2021-04-29 07:58:42,214 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 835 transitions, 20195 flow [2021-04-29 07:58:42,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:42,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:42,214 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:42,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:42,421 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:42,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:42,421 INFO L82 PathProgramCache]: Analyzing trace with hash -676221580, now seen corresponding path program 26 times [2021-04-29 07:58:42,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:42,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187620795] [2021-04-29 07:58:42,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:42,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:42,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,450 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:42,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:42,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:42,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187620795] [2021-04-29 07:58:42,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721208059] [2021-04-29 07:58:42,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:42,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:42,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:42,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:42,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:42,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:42,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:42,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:42,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:42,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:42,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:42,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:42,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:42,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:42,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:42,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:42,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:42,571 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:42,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:42,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:42,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:58:42,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902895668] [2021-04-29 07:58:42,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:58:42,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:42,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:58:42,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:58:42,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:42,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 835 transitions, 20195 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:42,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:42,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:42,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:44,602 INFO L129 PetriNetUnfolder]: 946/2382 cut-off events. [2021-04-29 07:58:44,602 INFO L130 PetriNetUnfolder]: For 59350/59356 co-relation queries the response was YES. [2021-04-29 07:58:44,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22497 conditions, 2382 events. 946/2382 cut-off events. For 59350/59356 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 20726 event pairs, 38 based on Foata normal form. 6/2388 useless extension candidates. Maximal degree in co-relation 22225. Up to 763 conditions per place. [2021-04-29 07:58:44,649 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 611 selfloop transitions, 265 changer transitions 2/885 dead transitions. [2021-04-29 07:58:44,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 885 transitions, 23007 flow [2021-04-29 07:58:44,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:58:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:58:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 276 transitions. [2021-04-29 07:58:44,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4928571428571429 [2021-04-29 07:58:44,650 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 276 transitions. [2021-04-29 07:58:44,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 276 transitions. [2021-04-29 07:58:44,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:44,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 276 transitions. [2021-04-29 07:58:44,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:44,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:44,652 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:44,652 INFO L185 Difference]: Start difference. First operand has 331 places, 835 transitions, 20195 flow. Second operand 14 states and 276 transitions. [2021-04-29 07:58:44,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 885 transitions, 23007 flow [2021-04-29 07:58:45,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 885 transitions, 22673 flow, removed 132 selfloop flow, removed 9 redundant places. [2021-04-29 07:58:45,542 INFO L241 Difference]: Finished difference. Result has 342 places, 859 transitions, 21253 flow [2021-04-29 07:58:45,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=19903, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21253, PETRI_PLACES=342, PETRI_TRANSITIONS=859} [2021-04-29 07:58:45,544 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 311 predicate places. [2021-04-29 07:58:45,544 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:45,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 859 transitions, 21253 flow [2021-04-29 07:58:45,544 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 859 transitions, 21253 flow [2021-04-29 07:58:45,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 859 transitions, 21253 flow [2021-04-29 07:58:46,096 INFO L129 PetriNetUnfolder]: 851/2238 cut-off events. [2021-04-29 07:58:46,096 INFO L130 PetriNetUnfolder]: For 57831/57918 co-relation queries the response was YES. [2021-04-29 07:58:46,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20127 conditions, 2238 events. 851/2238 cut-off events. For 57831/57918 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 20013 event pairs, 6 based on Foata normal form. 4/2235 useless extension candidates. Maximal degree in co-relation 19860. Up to 495 conditions per place. [2021-04-29 07:58:46,149 INFO L146 LiptonReduction]: Number of co-enabled transitions 1186 [2021-04-29 07:58:46,280 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:46,280 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:46,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 737 [2021-04-29 07:58:46,281 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 859 transitions, 21253 flow [2021-04-29 07:58:46,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:46,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:46,281 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:46,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-04-29 07:58:46,482 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1628443082, now seen corresponding path program 27 times [2021-04-29 07:58:46,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:46,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842995118] [2021-04-29 07:58:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:46,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:46,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,500 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:46,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:46,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:46,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842995118] [2021-04-29 07:58:46,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232457481] [2021-04-29 07:58:46,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:46,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:46,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:46,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:46,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:46,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:46,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:46,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:46,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:46,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:46,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:46,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633460763] [2021-04-29 07:58:46,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:46,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:46,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:46,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:46,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:46,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 859 transitions, 21253 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:46,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:46,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:46,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:48,260 INFO L129 PetriNetUnfolder]: 1176/2956 cut-off events. [2021-04-29 07:58:48,261 INFO L130 PetriNetUnfolder]: For 77240/77263 co-relation queries the response was YES. [2021-04-29 07:58:48,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28030 conditions, 2956 events. 1176/2956 cut-off events. For 77240/77263 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 26699 event pairs, 41 based on Foata normal form. 20/2976 useless extension candidates. Maximal degree in co-relation 27750. Up to 1335 conditions per place. [2021-04-29 07:58:48,311 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 623 selfloop transitions, 449 changer transitions 0/1079 dead transitions. [2021-04-29 07:58:48,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1079 transitions, 28024 flow [2021-04-29 07:58:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:58:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:58:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 206 transitions. [2021-04-29 07:58:48,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.515 [2021-04-29 07:58:48,312 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 206 transitions. [2021-04-29 07:58:48,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 206 transitions. [2021-04-29 07:58:48,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:48,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 206 transitions. [2021-04-29 07:58:48,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.6) internal successors, (206), 10 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:48,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:48,314 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:48,314 INFO L185 Difference]: Start difference. First operand has 341 places, 859 transitions, 21253 flow. Second operand 10 states and 206 transitions. [2021-04-29 07:58:48,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1079 transitions, 28024 flow [2021-04-29 07:58:49,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 1079 transitions, 27662 flow, removed 88 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:49,308 INFO L241 Difference]: Finished difference. Result has 350 places, 985 transitions, 25448 flow [2021-04-29 07:58:49,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=20952, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=25448, PETRI_PLACES=350, PETRI_TRANSITIONS=985} [2021-04-29 07:58:49,309 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 319 predicate places. [2021-04-29 07:58:49,310 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:49,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 985 transitions, 25448 flow [2021-04-29 07:58:49,310 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 985 transitions, 25448 flow [2021-04-29 07:58:49,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 985 transitions, 25448 flow [2021-04-29 07:58:49,984 INFO L129 PetriNetUnfolder]: 1065/2796 cut-off events. [2021-04-29 07:58:49,985 INFO L130 PetriNetUnfolder]: For 78434/78583 co-relation queries the response was YES. [2021-04-29 07:58:50,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25960 conditions, 2796 events. 1065/2796 cut-off events. For 78434/78583 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 26141 event pairs, 6 based on Foata normal form. 6/2795 useless extension candidates. Maximal degree in co-relation 25614. Up to 603 conditions per place. [2021-04-29 07:58:50,057 INFO L146 LiptonReduction]: Number of co-enabled transitions 1334 [2021-04-29 07:58:50,234 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:50,234 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:50,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 924 [2021-04-29 07:58:50,235 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 985 transitions, 25448 flow [2021-04-29 07:58:50,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:50,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:50,235 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:50,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:50,436 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash 197519100, now seen corresponding path program 28 times [2021-04-29 07:58:50,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:50,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563794247] [2021-04-29 07:58:50,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:50,448 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:50,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563794247] [2021-04-29 07:58:50,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541983284] [2021-04-29 07:58:50,481 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:50,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:50,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:50,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:50,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:50,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:50,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,546 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:58:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:50,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:58:50,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:50,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:50,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:50,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:58:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:50,590 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:50,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:50,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:58:50,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748360510] [2021-04-29 07:58:50,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:58:50,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:50,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:58:50,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:58:50,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:50,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 985 transitions, 25448 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:50,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:50,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:50,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:52,280 INFO L129 PetriNetUnfolder]: 1201/3076 cut-off events. [2021-04-29 07:58:52,280 INFO L130 PetriNetUnfolder]: For 84385/84397 co-relation queries the response was YES. [2021-04-29 07:58:52,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30243 conditions, 3076 events. 1201/3076 cut-off events. For 84385/84397 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 28326 event pairs, 52 based on Foata normal form. 15/3091 useless extension candidates. Maximal degree in co-relation 29955. Up to 941 conditions per place. [2021-04-29 07:58:52,336 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 699 selfloop transitions, 363 changer transitions 1/1070 dead transitions. [2021-04-29 07:58:52,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 1070 transitions, 29301 flow [2021-04-29 07:58:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:58:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:58:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 316 transitions. [2021-04-29 07:58:52,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49375 [2021-04-29 07:58:52,338 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 316 transitions. [2021-04-29 07:58:52,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 316 transitions. [2021-04-29 07:58:52,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:52,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 316 transitions. [2021-04-29 07:58:52,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 19.75) internal successors, (316), 16 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:52,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:52,340 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:52,340 INFO L185 Difference]: Start difference. First operand has 350 places, 985 transitions, 25448 flow. Second operand 16 states and 316 transitions. [2021-04-29 07:58:52,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 1070 transitions, 29301 flow [2021-04-29 07:58:53,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 1070 transitions, 28750 flow, removed 224 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:53,539 INFO L241 Difference]: Finished difference. Result has 366 places, 1025 transitions, 26943 flow [2021-04-29 07:58:53,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=24930, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26943, PETRI_PLACES=366, PETRI_TRANSITIONS=1025} [2021-04-29 07:58:53,540 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 335 predicate places. [2021-04-29 07:58:53,541 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:53,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 366 places, 1025 transitions, 26943 flow [2021-04-29 07:58:53,541 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 366 places, 1025 transitions, 26943 flow [2021-04-29 07:58:53,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 366 places, 1025 transitions, 26943 flow [2021-04-29 07:58:54,208 INFO L129 PetriNetUnfolder]: 1079/2893 cut-off events. [2021-04-29 07:58:54,208 INFO L130 PetriNetUnfolder]: For 86605/86755 co-relation queries the response was YES. [2021-04-29 07:58:54,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27062 conditions, 2893 events. 1079/2893 cut-off events. For 86605/86755 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 27493 event pairs, 3 based on Foata normal form. 10/2897 useless extension candidates. Maximal degree in co-relation 26704. Up to 594 conditions per place. [2021-04-29 07:58:54,278 INFO L146 LiptonReduction]: Number of co-enabled transitions 1350 [2021-04-29 07:58:54,431 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:54,431 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:54,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 890 [2021-04-29 07:58:54,432 INFO L480 AbstractCegarLoop]: Abstraction has has 366 places, 1025 transitions, 26943 flow [2021-04-29 07:58:54,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:54,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:54,432 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:54,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-04-29 07:58:54,633 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:54,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:54,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1401895406, now seen corresponding path program 29 times [2021-04-29 07:58:54,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:54,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739519631] [2021-04-29 07:58:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:54,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,655 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:54,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:54,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:54,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:54,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:54,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:54,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739519631] [2021-04-29 07:58:54,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127836502] [2021-04-29 07:58:54,680 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:54,706 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:58:54,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:54,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:54,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:54,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:54,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:54,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:54,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:54,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:54,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:54,749 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:54,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:54,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:54,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:54,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:54,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:54,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:54,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:54,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:54,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:54,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:54,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:54,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:54,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:54,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:54,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:54,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:54,770 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:58:54,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:54,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:54,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:54,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:54,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265549264] [2021-04-29 07:58:54,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:54,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:54,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:54,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:54,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:54,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 1025 transitions, 26943 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:54,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:54,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:54,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:56,861 INFO L129 PetriNetUnfolder]: 1243/3287 cut-off events. [2021-04-29 07:58:56,861 INFO L130 PetriNetUnfolder]: For 97843/97849 co-relation queries the response was YES. [2021-04-29 07:58:56,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32529 conditions, 3287 events. 1243/3287 cut-off events. For 97843/97849 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 31269 event pairs, 45 based on Foata normal form. 14/3301 useless extension candidates. Maximal degree in co-relation 32135. Up to 1671 conditions per place. [2021-04-29 07:58:56,919 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 794 selfloop transitions, 368 changer transitions 0/1169 dead transitions. [2021-04-29 07:58:56,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 1169 transitions, 32824 flow [2021-04-29 07:58:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:58:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:58:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 327 transitions. [2021-04-29 07:58:56,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5109375 [2021-04-29 07:58:56,921 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 327 transitions. [2021-04-29 07:58:56,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 327 transitions. [2021-04-29 07:58:56,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:56,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 327 transitions. [2021-04-29 07:58:56,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.4375) internal successors, (327), 16 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:56,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:56,923 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:56,923 INFO L185 Difference]: Start difference. First operand has 366 places, 1025 transitions, 26943 flow. Second operand 16 states and 327 transitions. [2021-04-29 07:58:56,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 1169 transitions, 32824 flow [2021-04-29 07:58:58,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 1169 transitions, 32654 flow, removed 62 selfloop flow, removed 4 redundant places. [2021-04-29 07:58:58,434 INFO L241 Difference]: Finished difference. Result has 383 places, 1087 transitions, 29691 flow [2021-04-29 07:58:58,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=26773, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=29691, PETRI_PLACES=383, PETRI_TRANSITIONS=1087} [2021-04-29 07:58:58,435 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 352 predicate places. [2021-04-29 07:58:58,435 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:58,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 1087 transitions, 29691 flow [2021-04-29 07:58:58,435 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 1087 transitions, 29691 flow [2021-04-29 07:58:58,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 383 places, 1087 transitions, 29691 flow [2021-04-29 07:58:59,332 INFO L129 PetriNetUnfolder]: 1129/3112 cut-off events. [2021-04-29 07:58:59,332 INFO L130 PetriNetUnfolder]: For 99902/100040 co-relation queries the response was YES. [2021-04-29 07:58:59,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29825 conditions, 3112 events. 1129/3112 cut-off events. For 99902/100040 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 30519 event pairs, 5 based on Foata normal form. 10/3115 useless extension candidates. Maximal degree in co-relation 29448. Up to 623 conditions per place. [2021-04-29 07:58:59,403 INFO L146 LiptonReduction]: Number of co-enabled transitions 1422 [2021-04-29 07:58:59,597 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:59,597 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:59,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1162 [2021-04-29 07:58:59,598 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 1087 transitions, 29691 flow [2021-04-29 07:58:59,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:59,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:59,598 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:59,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-04-29 07:58:59,799 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:59,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:59,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1402490052, now seen corresponding path program 30 times [2021-04-29 07:58:59,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:59,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135496020] [2021-04-29 07:58:59,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:59,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:58:59,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,820 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:58:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:59,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:59,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:59,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135496020] [2021-04-29 07:58:59,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104797528] [2021-04-29 07:58:59,843 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:59,863 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:58:59,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:59,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:58:59,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:59,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:59,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:59,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:58:59,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:59,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:58:59,910 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:58:59,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:59,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:58:59,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:58:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:59,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:58:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:59,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:59,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:58:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:59,925 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:58:59,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:58:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:59,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:59,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:58:59,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650932465] [2021-04-29 07:58:59,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:58:59,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:59,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:58:59,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:58:59,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:58:59,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 1087 transitions, 29691 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:59,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:59,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:58:59,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:02,258 INFO L129 PetriNetUnfolder]: 1238/3258 cut-off events. [2021-04-29 07:59:02,258 INFO L130 PetriNetUnfolder]: For 103381/103428 co-relation queries the response was YES. [2021-04-29 07:59:02,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33272 conditions, 3258 events. 1238/3258 cut-off events. For 103381/103428 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 30875 event pairs, 53 based on Foata normal form. 40/3298 useless extension candidates. Maximal degree in co-relation 32957. Up to 932 conditions per place. [2021-04-29 07:59:02,322 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 670 selfloop transitions, 458 changer transitions 1/1136 dead transitions. [2021-04-29 07:59:02,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 1136 transitions, 33187 flow [2021-04-29 07:59:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:59:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:59:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 414 transitions. [2021-04-29 07:59:02,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4928571428571429 [2021-04-29 07:59:02,324 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 414 transitions. [2021-04-29 07:59:02,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 414 transitions. [2021-04-29 07:59:02,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:02,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 414 transitions. [2021-04-29 07:59:02,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 19.714285714285715) internal successors, (414), 21 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:02,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:02,327 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:02,327 INFO L185 Difference]: Start difference. First operand has 383 places, 1087 transitions, 29691 flow. Second operand 21 states and 414 transitions. [2021-04-29 07:59:02,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 1136 transitions, 33187 flow [2021-04-29 07:59:03,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 1136 transitions, 32808 flow, removed 162 selfloop flow, removed 7 redundant places. [2021-04-29 07:59:03,811 INFO L241 Difference]: Finished difference. Result has 399 places, 1101 transitions, 30854 flow [2021-04-29 07:59:03,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=29128, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1080, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=439, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=30854, PETRI_PLACES=399, PETRI_TRANSITIONS=1101} [2021-04-29 07:59:03,813 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 368 predicate places. [2021-04-29 07:59:03,813 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:03,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 1101 transitions, 30854 flow [2021-04-29 07:59:03,813 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 1101 transitions, 30854 flow [2021-04-29 07:59:03,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 1101 transitions, 30854 flow [2021-04-29 07:59:04,635 INFO L129 PetriNetUnfolder]: 1119/3100 cut-off events. [2021-04-29 07:59:04,635 INFO L130 PetriNetUnfolder]: For 104317/104459 co-relation queries the response was YES. [2021-04-29 07:59:04,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30279 conditions, 3100 events. 1119/3100 cut-off events. For 104317/104459 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 30322 event pairs, 4 based on Foata normal form. 8/3102 useless extension candidates. Maximal degree in co-relation 29895. Up to 615 conditions per place. [2021-04-29 07:59:04,711 INFO L146 LiptonReduction]: Number of co-enabled transitions 1422 [2021-04-29 07:59:04,937 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:04,937 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:04,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1124 [2021-04-29 07:59:04,938 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 1101 transitions, 30854 flow [2021-04-29 07:59:04,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:04,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:04,938 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:05,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-04-29 07:59:05,147 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:05,148 INFO L82 PathProgramCache]: Analyzing trace with hash 768973906, now seen corresponding path program 31 times [2021-04-29 07:59:05,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:05,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636452230] [2021-04-29 07:59:05,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:05,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:05,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:05,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636452230] [2021-04-29 07:59:05,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832451334] [2021-04-29 07:59:05,188 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:05,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:05,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:05,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:05,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:05,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:05,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:05,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:05,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:05,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:05,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:05,285 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:05,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:05,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:05,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:05,291 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:59:05,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:05,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:05,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:05,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:59:05,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949383974] [2021-04-29 07:59:05,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:59:05,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:05,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:59:05,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:59:05,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:05,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 1101 transitions, 30854 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:05,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:05,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:05,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:07,533 INFO L129 PetriNetUnfolder]: 1235/3268 cut-off events. [2021-04-29 07:59:07,533 INFO L130 PetriNetUnfolder]: For 108835/108847 co-relation queries the response was YES. [2021-04-29 07:59:07,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33991 conditions, 3268 events. 1235/3268 cut-off events. For 108835/108847 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31121 event pairs, 40 based on Foata normal form. 14/3282 useless extension candidates. Maximal degree in co-relation 33669. Up to 717 conditions per place. [2021-04-29 07:59:07,597 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 561 selfloop transitions, 620 changer transitions 1/1189 dead transitions. [2021-04-29 07:59:07,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 1189 transitions, 34969 flow [2021-04-29 07:59:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 07:59:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 07:59:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 403 transitions. [2021-04-29 07:59:07,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.50375 [2021-04-29 07:59:07,599 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 403 transitions. [2021-04-29 07:59:07,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 403 transitions. [2021-04-29 07:59:07,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:07,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 403 transitions. [2021-04-29 07:59:07,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 20.15) internal successors, (403), 20 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:07,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:07,601 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:07,601 INFO L185 Difference]: Start difference. First operand has 399 places, 1101 transitions, 30854 flow. Second operand 20 states and 403 transitions. [2021-04-29 07:59:07,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 1189 transitions, 34969 flow [2021-04-29 07:59:09,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 1189 transitions, 34476 flow, removed 175 selfloop flow, removed 9 redundant places. [2021-04-29 07:59:09,136 INFO L241 Difference]: Finished difference. Result has 411 places, 1114 transitions, 32167 flow [2021-04-29 07:59:09,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=30245, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1097, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=603, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=32167, PETRI_PLACES=411, PETRI_TRANSITIONS=1114} [2021-04-29 07:59:09,137 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 380 predicate places. [2021-04-29 07:59:09,137 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:09,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 411 places, 1114 transitions, 32167 flow [2021-04-29 07:59:09,137 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 411 places, 1114 transitions, 32167 flow [2021-04-29 07:59:09,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 1114 transitions, 32167 flow [2021-04-29 07:59:10,071 INFO L129 PetriNetUnfolder]: 1131/3149 cut-off events. [2021-04-29 07:59:10,071 INFO L130 PetriNetUnfolder]: For 108595/108774 co-relation queries the response was YES. [2021-04-29 07:59:10,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31273 conditions, 3149 events. 1131/3149 cut-off events. For 108595/108774 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 31192 event pairs, 4 based on Foata normal form. 7/3151 useless extension candidates. Maximal degree in co-relation 30878. Up to 613 conditions per place. [2021-04-29 07:59:10,139 INFO L146 LiptonReduction]: Number of co-enabled transitions 1416 [2021-04-29 07:59:10,327 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:10,327 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:10,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1190 [2021-04-29 07:59:10,328 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 1114 transitions, 32167 flow [2021-04-29 07:59:10,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:10,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:10,329 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:10,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-04-29 07:59:10,532 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash 910416556, now seen corresponding path program 32 times [2021-04-29 07:59:10,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:10,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303923608] [2021-04-29 07:59:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:10,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:10,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,550 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:10,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:10,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:10,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303923608] [2021-04-29 07:59:10,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409408132] [2021-04-29 07:59:10,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:10,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:59:10,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:10,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:10,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:10,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,647 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:59:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:10,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:10,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:10,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:10,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:10,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:59:10,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:10,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:10,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:10,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:59:10,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:10,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:10,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:10,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:59:10,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664497003] [2021-04-29 07:59:10,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:59:10,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:10,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:59:10,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:59:10,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:10,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 1114 transitions, 32167 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:10,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:10,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:10,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:12,837 INFO L129 PetriNetUnfolder]: 1243/3273 cut-off events. [2021-04-29 07:59:12,837 INFO L130 PetriNetUnfolder]: For 113305/113311 co-relation queries the response was YES. [2021-04-29 07:59:12,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35109 conditions, 3273 events. 1243/3273 cut-off events. For 113305/113311 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31117 event pairs, 51 based on Foata normal form. 11/3284 useless extension candidates. Maximal degree in co-relation 34805. Up to 2014 conditions per place. [2021-04-29 07:59:12,901 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 906 selfloop transitions, 244 changer transitions 0/1157 dead transitions. [2021-04-29 07:59:12,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 1157 transitions, 35521 flow [2021-04-29 07:59:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:59:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:59:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 201 transitions. [2021-04-29 07:59:12,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5025 [2021-04-29 07:59:12,902 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 201 transitions. [2021-04-29 07:59:12,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 201 transitions. [2021-04-29 07:59:12,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:12,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 201 transitions. [2021-04-29 07:59:12,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:12,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:12,904 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:12,904 INFO L185 Difference]: Start difference. First operand has 411 places, 1114 transitions, 32167 flow. Second operand 10 states and 201 transitions. [2021-04-29 07:59:12,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 1157 transitions, 35521 flow [2021-04-29 07:59:14,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 1157 transitions, 34659 flow, removed 95 selfloop flow, removed 8 redundant places. [2021-04-29 07:59:14,779 INFO L241 Difference]: Finished difference. Result has 414 places, 1131 transitions, 32377 flow [2021-04-29 07:59:14,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=31264, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=880, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=32377, PETRI_PLACES=414, PETRI_TRANSITIONS=1131} [2021-04-29 07:59:14,780 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 383 predicate places. [2021-04-29 07:59:14,780 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:14,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 1131 transitions, 32377 flow [2021-04-29 07:59:14,780 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 1131 transitions, 32377 flow [2021-04-29 07:59:14,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 1131 transitions, 32377 flow [2021-04-29 07:59:15,576 INFO L129 PetriNetUnfolder]: 1135/3169 cut-off events. [2021-04-29 07:59:15,576 INFO L130 PetriNetUnfolder]: For 103275/103413 co-relation queries the response was YES. [2021-04-29 07:59:15,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31365 conditions, 3169 events. 1135/3169 cut-off events. For 103275/103413 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 31337 event pairs, 4 based on Foata normal form. 8/3173 useless extension candidates. Maximal degree in co-relation 31059. Up to 623 conditions per place. [2021-04-29 07:59:15,657 INFO L146 LiptonReduction]: Number of co-enabled transitions 1428 [2021-04-29 07:59:15,899 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:15,899 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:15,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1119 [2021-04-29 07:59:15,900 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 1131 transitions, 32377 flow [2021-04-29 07:59:15,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:15,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:15,900 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:16,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:16,101 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:16,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:16,102 INFO L82 PathProgramCache]: Analyzing trace with hash 788002578, now seen corresponding path program 33 times [2021-04-29 07:59:16,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:16,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973432170] [2021-04-29 07:59:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:16,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:16,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:16,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:16,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:16,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973432170] [2021-04-29 07:59:16,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584571603] [2021-04-29 07:59:16,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:16,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 07:59:16,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:16,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:16,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:16,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:16,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:16,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:16,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:16,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:16,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:16,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:16,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:16,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:59:16,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:16,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:16,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:59:16,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963997343] [2021-04-29 07:59:16,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:59:16,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:16,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:59:16,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:59:16,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:16,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 1131 transitions, 32377 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:16,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:16,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:16,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:18,871 INFO L129 PetriNetUnfolder]: 1284/3393 cut-off events. [2021-04-29 07:59:18,871 INFO L130 PetriNetUnfolder]: For 111904/111927 co-relation queries the response was YES. [2021-04-29 07:59:18,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36089 conditions, 3393 events. 1284/3393 cut-off events. For 111904/111927 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 32474 event pairs, 40 based on Foata normal form. 28/3421 useless extension candidates. Maximal degree in co-relation 35781. Up to 1406 conditions per place. [2021-04-29 07:59:18,962 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 697 selfloop transitions, 551 changer transitions 0/1255 dead transitions. [2021-04-29 07:59:18,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1255 transitions, 37696 flow [2021-04-29 07:59:18,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:59:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:59:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 269 transitions. [2021-04-29 07:59:18,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5173076923076924 [2021-04-29 07:59:18,963 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 269 transitions. [2021-04-29 07:59:18,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 269 transitions. [2021-04-29 07:59:18,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:18,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 269 transitions. [2021-04-29 07:59:18,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.692307692307693) internal successors, (269), 13 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:18,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:18,966 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:18,966 INFO L185 Difference]: Start difference. First operand has 414 places, 1131 transitions, 32377 flow. Second operand 13 states and 269 transitions. [2021-04-29 07:59:18,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1255 transitions, 37696 flow [2021-04-29 07:59:20,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1255 transitions, 37175 flow, removed 53 selfloop flow, removed 7 redundant places. [2021-04-29 07:59:20,700 INFO L241 Difference]: Finished difference. Result has 422 places, 1174 transitions, 34542 flow [2021-04-29 07:59:20,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=31662, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=502, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34542, PETRI_PLACES=422, PETRI_TRANSITIONS=1174} [2021-04-29 07:59:20,701 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 391 predicate places. [2021-04-29 07:59:20,701 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:20,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 422 places, 1174 transitions, 34542 flow [2021-04-29 07:59:20,702 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 422 places, 1174 transitions, 34542 flow [2021-04-29 07:59:20,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 1174 transitions, 34542 flow [2021-04-29 07:59:21,615 INFO L129 PetriNetUnfolder]: 1174/3281 cut-off events. [2021-04-29 07:59:21,615 INFO L130 PetriNetUnfolder]: For 112464/112609 co-relation queries the response was YES. [2021-04-29 07:59:21,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33335 conditions, 3281 events. 1174/3281 cut-off events. For 112464/112609 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32719 event pairs, 3 based on Foata normal form. 8/3284 useless extension candidates. Maximal degree in co-relation 33072. Up to 632 conditions per place. [2021-04-29 07:59:21,714 INFO L146 LiptonReduction]: Number of co-enabled transitions 1462 [2021-04-29 07:59:21,984 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:21,984 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:21,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1283 [2021-04-29 07:59:21,985 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 1174 transitions, 34542 flow [2021-04-29 07:59:21,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:21,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:21,985 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:22,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-04-29 07:59:22,186 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:22,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:22,187 INFO L82 PathProgramCache]: Analyzing trace with hash 650069074, now seen corresponding path program 34 times [2021-04-29 07:59:22,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:22,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195526495] [2021-04-29 07:59:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:22,197 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,202 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:22,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:22,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195526495] [2021-04-29 07:59:22,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561654697] [2021-04-29 07:59:22,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:59:22,250 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:59:22,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:22,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:22,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:22,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:22,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:22,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:22,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:22,333 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:22,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:22,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:22,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:22,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:59:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:22,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:22,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:59:22,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484181659] [2021-04-29 07:59:22,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:59:22,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:22,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:59:22,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:59:22,354 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:22,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 1174 transitions, 34542 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:22,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:22,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:22,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:24,767 INFO L129 PetriNetUnfolder]: 1287/3403 cut-off events. [2021-04-29 07:59:24,767 INFO L130 PetriNetUnfolder]: For 117649/117672 co-relation queries the response was YES. [2021-04-29 07:59:24,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37222 conditions, 3403 events. 1287/3403 cut-off events. For 117649/117672 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 32625 event pairs, 48 based on Foata normal form. 24/3427 useless extension candidates. Maximal degree in co-relation 36971. Up to 1466 conditions per place. [2021-04-29 07:59:24,835 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 688 selfloop transitions, 552 changer transitions 0/1247 dead transitions. [2021-04-29 07:59:24,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1247 transitions, 38718 flow [2021-04-29 07:59:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:59:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:59:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 250 transitions. [2021-04-29 07:59:24,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2021-04-29 07:59:24,838 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 250 transitions. [2021-04-29 07:59:24,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 250 transitions. [2021-04-29 07:59:24,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:24,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 250 transitions. [2021-04-29 07:59:24,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.833333333333332) internal successors, (250), 12 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:24,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:24,840 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:24,840 INFO L185 Difference]: Start difference. First operand has 422 places, 1174 transitions, 34542 flow. Second operand 12 states and 250 transitions. [2021-04-29 07:59:24,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1247 transitions, 38718 flow [2021-04-29 07:59:26,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 1247 transitions, 37979 flow, removed 70 selfloop flow, removed 10 redundant places. [2021-04-29 07:59:26,647 INFO L241 Difference]: Finished difference. Result has 424 places, 1183 transitions, 35557 flow [2021-04-29 07:59:26,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=33729, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=35557, PETRI_PLACES=424, PETRI_TRANSITIONS=1183} [2021-04-29 07:59:26,648 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 393 predicate places. [2021-04-29 07:59:26,648 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:26,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1183 transitions, 35557 flow [2021-04-29 07:59:26,649 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1183 transitions, 35557 flow [2021-04-29 07:59:26,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1183 transitions, 35557 flow [2021-04-29 07:59:27,532 INFO L129 PetriNetUnfolder]: 1178/3284 cut-off events. [2021-04-29 07:59:27,533 INFO L130 PetriNetUnfolder]: For 117466/117615 co-relation queries the response was YES. [2021-04-29 07:59:27,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33884 conditions, 3284 events. 1178/3284 cut-off events. For 117466/117615 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 32552 event pairs, 5 based on Foata normal form. 10/3286 useless extension candidates. Maximal degree in co-relation 33577. Up to 640 conditions per place. [2021-04-29 07:59:27,620 INFO L146 LiptonReduction]: Number of co-enabled transitions 1476 [2021-04-29 07:59:27,878 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:27,878 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:27,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1230 [2021-04-29 07:59:27,878 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1183 transitions, 35557 flow [2021-04-29 07:59:27,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:27,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:27,879 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:28,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-04-29 07:59:28,079 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:28,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:28,080 INFO L82 PathProgramCache]: Analyzing trace with hash -261168652, now seen corresponding path program 35 times [2021-04-29 07:59:28,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:28,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063010280] [2021-04-29 07:59:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:28,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:28,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:28,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063010280] [2021-04-29 07:59:28,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907018503] [2021-04-29 07:59:28,120 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:59:28,144 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:59:28,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:28,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:28,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:28,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:28,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:28,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:28,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:28,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:28,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:28,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:28,198 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:28,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:28,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:28,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:28,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:28,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:28,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:28,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:28,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:28,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:28,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:28,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:28,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:28,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:59:28,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:28,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:28,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:28,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:59:28,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478042197] [2021-04-29 07:59:28,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:59:28,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:28,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:59:28,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:59:28,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:28,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1183 transitions, 35557 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:28,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:28,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:28,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:30,484 INFO L129 PetriNetUnfolder]: 1296/3459 cut-off events. [2021-04-29 07:59:30,485 INFO L130 PetriNetUnfolder]: For 123327/123333 co-relation queries the response was YES. [2021-04-29 07:59:30,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38084 conditions, 3459 events. 1296/3459 cut-off events. For 123327/123333 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 33425 event pairs, 31 based on Foata normal form. 10/3469 useless extension candidates. Maximal degree in co-relation 37846. Up to 1414 conditions per place. [2021-04-29 07:59:30,555 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 695 selfloop transitions, 568 changer transitions 0/1270 dead transitions. [2021-04-29 07:59:30,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 1270 transitions, 40134 flow [2021-04-29 07:59:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:59:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:59:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 325 transitions. [2021-04-29 07:59:30,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5078125 [2021-04-29 07:59:30,556 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 325 transitions. [2021-04-29 07:59:30,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 325 transitions. [2021-04-29 07:59:30,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:30,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 325 transitions. [2021-04-29 07:59:30,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.3125) internal successors, (325), 16 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:30,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:30,558 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:30,559 INFO L185 Difference]: Start difference. First operand has 424 places, 1183 transitions, 35557 flow. Second operand 16 states and 325 transitions. [2021-04-29 07:59:30,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 1270 transitions, 40134 flow [2021-04-29 07:59:32,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 1270 transitions, 39326 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-04-29 07:59:32,508 INFO L241 Difference]: Finished difference. Result has 432 places, 1207 transitions, 37055 flow [2021-04-29 07:59:32,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=34705, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=37055, PETRI_PLACES=432, PETRI_TRANSITIONS=1207} [2021-04-29 07:59:32,509 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 401 predicate places. [2021-04-29 07:59:32,509 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:32,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 1207 transitions, 37055 flow [2021-04-29 07:59:32,510 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 1207 transitions, 37055 flow [2021-04-29 07:59:32,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 1207 transitions, 37055 flow [2021-04-29 07:59:33,455 INFO L129 PetriNetUnfolder]: 1201/3363 cut-off events. [2021-04-29 07:59:33,455 INFO L130 PetriNetUnfolder]: For 126166/126319 co-relation queries the response was YES. [2021-04-29 07:59:33,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35281 conditions, 3363 events. 1201/3363 cut-off events. For 126166/126319 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 33650 event pairs, 7 based on Foata normal form. 7/3363 useless extension candidates. Maximal degree in co-relation 34865. Up to 656 conditions per place. [2021-04-29 07:59:33,714 INFO L146 LiptonReduction]: Number of co-enabled transitions 1492 [2021-04-29 07:59:33,960 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:33,960 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:33,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1452 [2021-04-29 07:59:33,961 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 1207 transitions, 37055 flow [2021-04-29 07:59:33,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:33,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:33,961 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:34,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:34,168 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:34,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:34,168 INFO L82 PathProgramCache]: Analyzing trace with hash -86332748, now seen corresponding path program 36 times [2021-04-29 07:59:34,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:34,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105612546] [2021-04-29 07:59:34,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:34,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:59:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,186 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:59:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:34,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105612546] [2021-04-29 07:59:34,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590558705] [2021-04-29 07:59:34,208 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:59:34,236 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:59:34,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:34,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:59:34,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:34,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:34,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:34,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:34,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:59:34,298 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:59:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:34,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,303 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:59:34,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:34,306 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:59:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:59:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:34,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:34,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:59:34,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027871020] [2021-04-29 07:59:34,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:59:34,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:34,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:59:34,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:59:34,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:59:34,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 1207 transitions, 37055 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:34,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:34,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:59:34,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:37,182 INFO L129 PetriNetUnfolder]: 1293/3435 cut-off events. [2021-04-29 07:59:37,182 INFO L130 PetriNetUnfolder]: For 128472/128478 co-relation queries the response was YES. [2021-04-29 07:59:37,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38616 conditions, 3435 events. 1293/3435 cut-off events. For 128472/128478 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 33091 event pairs, 48 based on Foata normal form. 10/3445 useless extension candidates. Maximal degree in co-relation 38264. Up to 730 conditions per place. [2021-04-29 07:59:37,253 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 533 selfloop transitions, 713 changer transitions 1/1254 dead transitions. [2021-04-29 07:59:37,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1254 transitions, 40532 flow [2021-04-29 07:59:37,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 07:59:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 07:59:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 476 transitions. [2021-04-29 07:59:37,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49583333333333335 [2021-04-29 07:59:37,255 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 476 transitions. [2021-04-29 07:59:37,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 476 transitions. [2021-04-29 07:59:37,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:37,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 476 transitions. [2021-04-29 07:59:37,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 19.833333333333332) internal successors, (476), 24 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:37,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 40.0) internal successors, (1000), 25 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:37,258 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 40.0) internal successors, (1000), 25 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:37,258 INFO L185 Difference]: Start difference. First operand has 432 places, 1207 transitions, 37055 flow. Second operand 24 states and 476 transitions. [2021-04-29 07:59:37,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1254 transitions, 40532 flow [2021-04-29 07:59:39,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 1254 transitions, 39762 flow, removed 36 selfloop flow, removed 12 redundant places. [2021-04-29 07:59:39,115 INFO L241 Difference]: Finished difference. Result has 445 places, 1207 transitions, 38050 flow [2021-04-29 07:59:39,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=36118, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=707, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=38050, PETRI_PLACES=445, PETRI_TRANSITIONS=1207} [2021-04-29 07:59:39,116 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 414 predicate places. [2021-04-29 07:59:39,116 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:39,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 445 places, 1207 transitions, 38050 flow [2021-04-29 07:59:39,116 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 445 places, 1207 transitions, 38050 flow [2021-04-29 07:59:39,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 444 places, 1207 transitions, 38050 flow [2021-04-29 07:59:40,076 INFO L129 PetriNetUnfolder]: 1182/3295 cut-off events. [2021-04-29 07:59:40,077 INFO L130 PetriNetUnfolder]: For 131066/131271 co-relation queries the response was YES. [2021-04-29 07:59:40,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35563 conditions, 3295 events. 1182/3295 cut-off events. For 131066/131271 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 32732 event pairs, 4 based on Foata normal form. 7/3294 useless extension candidates. Maximal degree in co-relation 35146. Up to 636 conditions per place. [2021-04-29 07:59:40,204 INFO L146 LiptonReduction]: Number of co-enabled transitions 1492 [2021-04-29 07:59:40,425 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:40,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:40,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1309 [2021-04-29 07:59:40,425 INFO L480 AbstractCegarLoop]: Abstraction has has 444 places, 1207 transitions, 38050 flow [2021-04-29 07:59:40,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:40,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:40,426 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:40,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-04-29 07:59:40,637 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1975513650, now seen corresponding path program 4 times [2021-04-29 07:59:40,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:40,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995194981] [2021-04-29 07:59:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:40,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:40,686 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-04-29 07:59:40,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 07:59:40,757 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-04-29 07:59:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:40,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:40,823 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 07:59:40,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:40,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:59:40,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:40,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995194981] [2021-04-29 07:59:40,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291571916] [2021-04-29 07:59:40,851 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:59:40,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:59:40,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:40,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 07:59:40,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:40,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:40,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:40,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:40,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:40,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:40,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,943 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-04-29 07:59:40,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:59:40,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:40,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:40,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,966 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-04-29 07:59:40,967 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 07:59:40,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:40,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:40,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:40,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:40,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:40,998 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-04-29 07:59:40,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:41,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:41,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:41,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:41,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:41,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:59:41,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:41,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:41,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:41,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 07:59:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:41,030 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 07:59:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:59:41,031 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 07:59:41,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,041 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:59:41,043 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,046 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:59:41,047 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 07:59:41,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:41,047 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2021-04-29 07:59:41,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 07:59:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:41,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:41,070 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:59:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:41,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,074 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:59:41,075 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:41,076 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 07:59:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:41,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:41,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:41,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:41,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:59:41,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012247420] [2021-04-29 07:59:41,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:59:41,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:41,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:59:41,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:59:41,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:41,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 1207 transitions, 38050 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:41,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:41,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:41,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:44,105 INFO L129 PetriNetUnfolder]: 1356/3572 cut-off events. [2021-04-29 07:59:44,105 INFO L130 PetriNetUnfolder]: For 137862/137909 co-relation queries the response was YES. [2021-04-29 07:59:44,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41027 conditions, 3572 events. 1356/3572 cut-off events. For 137862/137909 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 34425 event pairs, 48 based on Foata normal form. 44/3616 useless extension candidates. Maximal degree in co-relation 40573. Up to 2671 conditions per place. [2021-04-29 07:59:44,184 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1176 selfloop transitions, 95 changer transitions 8/1285 dead transitions. [2021-04-29 07:59:44,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1285 transitions, 42544 flow [2021-04-29 07:59:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:59:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:59:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 200 transitions. [2021-04-29 07:59:44,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2021-04-29 07:59:44,185 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 200 transitions. [2021-04-29 07:59:44,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 200 transitions. [2021-04-29 07:59:44,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:44,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 200 transitions. [2021-04-29 07:59:44,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.181818181818183) internal successors, (200), 11 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:44,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:44,187 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:44,187 INFO L185 Difference]: Start difference. First operand has 444 places, 1207 transitions, 38050 flow. Second operand 11 states and 200 transitions. [2021-04-29 07:59:44,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1285 transitions, 42544 flow [2021-04-29 07:59:46,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 1285 transitions, 41642 flow, removed 44 selfloop flow, removed 12 redundant places. [2021-04-29 07:59:46,228 INFO L241 Difference]: Finished difference. Result has 448 places, 1261 transitions, 38983 flow [2021-04-29 07:59:46,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=37200, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=38983, PETRI_PLACES=448, PETRI_TRANSITIONS=1261} [2021-04-29 07:59:46,229 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 417 predicate places. [2021-04-29 07:59:46,229 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:46,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1261 transitions, 38983 flow [2021-04-29 07:59:46,229 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1261 transitions, 38983 flow [2021-04-29 07:59:46,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 1261 transitions, 38983 flow [2021-04-29 07:59:47,173 INFO L129 PetriNetUnfolder]: 1220/3363 cut-off events. [2021-04-29 07:59:47,173 INFO L130 PetriNetUnfolder]: For 128244/128442 co-relation queries the response was YES. [2021-04-29 07:59:47,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36436 conditions, 3363 events. 1220/3363 cut-off events. For 128244/128442 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 33392 event pairs, 5 based on Foata normal form. 17/3377 useless extension candidates. Maximal degree in co-relation 36092. Up to 666 conditions per place. [2021-04-29 07:59:47,267 INFO L146 LiptonReduction]: Number of co-enabled transitions 1548 [2021-04-29 07:59:47,526 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:47,527 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:47,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1298 [2021-04-29 07:59:47,527 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 1261 transitions, 38983 flow [2021-04-29 07:59:47,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:47,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:47,527 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:47,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:47,728 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:47,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1934569388, now seen corresponding path program 37 times [2021-04-29 07:59:47,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:47,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156286202] [2021-04-29 07:59:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:47,772 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 07:59:47,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:47,796 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-04-29 07:59:47,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:59:47,852 INFO L142 QuantifierPusher]: treesize reduction 23, result has 79.1 percent of original size [2021-04-29 07:59:47,853 INFO L147 QuantifierPusher]: treesize reduction 5, result has 94.3 percent of original size 82 [2021-04-29 07:59:47,937 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-04-29 07:59:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 07:59:47,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:48,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 07:59:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:48,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:59:48,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:48,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156286202] [2021-04-29 07:59:48,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498087023] [2021-04-29 07:59:48,058 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:48,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:59:48,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,125 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 07:59:48,126 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 07:59:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:48,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,152 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-04-29 07:59:48,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-04-29 07:59:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:48,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:48,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:48,183 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 07:59:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:48,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:48,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,220 INFO L147 QuantifierPusher]: treesize reduction 5, result has 92.6 percent of original size 63 [2021-04-29 07:59:48,221 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.6 percent of original size [2021-04-29 07:59:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 07:59:48,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 07:59:48,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 07:59:48,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,264 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.8 percent of original size [2021-04-29 07:59:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-04-29 07:59:48,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-29 07:59:48,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-04-29 07:59:48,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-29 07:59:48,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-29 07:59:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:59:48,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-04-29 07:59:48,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-29 07:59:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:48,320 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-04-29 07:59:48,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 78 [2021-04-29 07:59:48,322 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.1 percent of original size [2021-04-29 07:59:48,325 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 07:59:48,326 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:59:48,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,331 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:59:48,332 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,333 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-04-29 07:59:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:48,337 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 07:59:48,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:59:48,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,342 INFO L147 QuantifierPusher]: treesize reduction 41, result has 26.8 percent of original size 15 [2021-04-29 07:59:48,346 INFO L142 QuantifierPusher]: treesize reduction 41, result has 26.8 percent of original size [2021-04-29 07:59:48,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:48,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:48,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,358 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:59:48,360 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,364 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:59:48,365 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 07:59:48,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:48,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:19 [2021-04-29 07:59:48,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 07:59:48,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:48,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:48,395 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:59:48,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:48,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:48,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:48,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,408 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:59:48,409 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:48,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:48,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:48,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:48,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:48,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:48,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 07:59:48,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276764799] [2021-04-29 07:59:48,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 07:59:48,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:48,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 07:59:48,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-04-29 07:59:48,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:48,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 1261 transitions, 38983 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:48,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:48,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:48,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:51,940 INFO L129 PetriNetUnfolder]: 1374/3629 cut-off events. [2021-04-29 07:59:51,941 INFO L130 PetriNetUnfolder]: For 137181/137187 co-relation queries the response was YES. [2021-04-29 07:59:51,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41935 conditions, 3629 events. 1374/3629 cut-off events. For 137181/137187 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 35209 event pairs, 60 based on Foata normal form. 6/3635 useless extension candidates. Maximal degree in co-relation 41578. Up to 2757 conditions per place. [2021-04-29 07:59:52,013 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1242 selfloop transitions, 58 changer transitions 2/1308 dead transitions. [2021-04-29 07:59:52,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1308 transitions, 43324 flow [2021-04-29 07:59:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:59:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:59:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 228 transitions. [2021-04-29 07:59:52,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43846153846153846 [2021-04-29 07:59:52,015 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 228 transitions. [2021-04-29 07:59:52,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 228 transitions. [2021-04-29 07:59:52,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:52,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 228 transitions. [2021-04-29 07:59:52,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.53846153846154) internal successors, (228), 13 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:52,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:52,016 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:52,016 INFO L185 Difference]: Start difference. First operand has 448 places, 1261 transitions, 38983 flow. Second operand 13 states and 228 transitions. [2021-04-29 07:59:52,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1308 transitions, 43324 flow [2021-04-29 07:59:54,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 1308 transitions, 43036 flow, removed 93 selfloop flow, removed 4 redundant places. [2021-04-29 07:59:54,120 INFO L241 Difference]: Finished difference. Result has 463 places, 1296 transitions, 40327 flow [2021-04-29 07:59:54,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=38699, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=40327, PETRI_PLACES=463, PETRI_TRANSITIONS=1296} [2021-04-29 07:59:54,121 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 432 predicate places. [2021-04-29 07:59:54,121 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:54,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 1296 transitions, 40327 flow [2021-04-29 07:59:54,122 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 1296 transitions, 40327 flow [2021-04-29 07:59:54,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 463 places, 1296 transitions, 40327 flow [2021-04-29 07:59:55,133 INFO L129 PetriNetUnfolder]: 1239/3419 cut-off events. [2021-04-29 07:59:55,133 INFO L130 PetriNetUnfolder]: For 133925/134089 co-relation queries the response was YES. [2021-04-29 07:59:55,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37608 conditions, 3419 events. 1239/3419 cut-off events. For 133925/134089 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 34205 event pairs, 6 based on Foata normal form. 15/3430 useless extension candidates. Maximal degree in co-relation 37175. Up to 674 conditions per place. [2021-04-29 07:59:55,231 INFO L146 LiptonReduction]: Number of co-enabled transitions 1618 [2021-04-29 07:59:55,505 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:55,505 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:55,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1384 [2021-04-29 07:59:55,506 INFO L480 AbstractCegarLoop]: Abstraction has has 463 places, 1296 transitions, 40327 flow [2021-04-29 07:59:55,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:55,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:55,506 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:55,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-04-29 07:59:55,707 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:55,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:55,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1625984496, now seen corresponding path program 38 times [2021-04-29 07:59:55,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:55,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216238238] [2021-04-29 07:59:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:55,755 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 07:59:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:55,780 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-04-29 07:59:55,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:59:55,836 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-04-29 07:59:55,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:59:55,883 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-04-29 07:59:55,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 07:59:55,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:55,969 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 07:59:55,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:59:55,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 07:59:55,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:56,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216238238] [2021-04-29 07:59:56,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883531689] [2021-04-29 07:59:56,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:56,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:59:56,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:56,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 07:59:56,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:56,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,056 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-04-29 07:59:56,057 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 07:59:56,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,082 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 07:59:56,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:59:56,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:59:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:56,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:56,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,116 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 07:59:56,117 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 07:59:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:59:56,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:59:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:59:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:59:56,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,189 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 07:59:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:56,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:56,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:56,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:56,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:56,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:59:56,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:56,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:56,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:56,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:56,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:56,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 07:59:56,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:56,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:56,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:56,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:59:56,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249179182] [2021-04-29 07:59:56,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:59:56,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:56,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:59:56,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:59:56,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:56,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 1296 transitions, 40327 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:56,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:56,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:56,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:59,316 INFO L129 PetriNetUnfolder]: 1381/3664 cut-off events. [2021-04-29 07:59:59,316 INFO L130 PetriNetUnfolder]: For 141979/142050 co-relation queries the response was YES. [2021-04-29 07:59:59,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42620 conditions, 3664 events. 1381/3664 cut-off events. For 141979/142050 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35598 event pairs, 61 based on Foata normal form. 44/3708 useless extension candidates. Maximal degree in co-relation 42256. Up to 2784 conditions per place. [2021-04-29 07:59:59,396 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1270 selfloop transitions, 41 changer transitions 1/1318 dead transitions. [2021-04-29 07:59:59,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 1318 transitions, 43799 flow [2021-04-29 07:59:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:59:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:59:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2021-04-29 07:59:59,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4425 [2021-04-29 07:59:59,397 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 177 transitions. [2021-04-29 07:59:59,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 177 transitions. [2021-04-29 07:59:59,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:59,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 177 transitions. [2021-04-29 07:59:59,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:59,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:59,398 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:59,398 INFO L185 Difference]: Start difference. First operand has 463 places, 1296 transitions, 40327 flow. Second operand 10 states and 177 transitions. [2021-04-29 07:59:59,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 1318 transitions, 43799 flow [2021-04-29 08:00:01,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 1318 transitions, 43525 flow, removed 127 selfloop flow, removed 3 redundant places. [2021-04-29 08:00:01,835 INFO L241 Difference]: Finished difference. Result has 473 places, 1310 transitions, 40791 flow [2021-04-29 08:00:01,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=40053, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=40791, PETRI_PLACES=473, PETRI_TRANSITIONS=1310} [2021-04-29 08:00:01,837 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 442 predicate places. [2021-04-29 08:00:01,837 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:01,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 1310 transitions, 40791 flow [2021-04-29 08:00:01,837 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 1310 transitions, 40791 flow [2021-04-29 08:00:01,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 473 places, 1310 transitions, 40791 flow [2021-04-29 08:00:02,932 INFO L129 PetriNetUnfolder]: 1252/3457 cut-off events. [2021-04-29 08:00:02,933 INFO L130 PetriNetUnfolder]: For 139117/139299 co-relation queries the response was YES. [2021-04-29 08:00:02,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38395 conditions, 3457 events. 1252/3457 cut-off events. For 139117/139299 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34667 event pairs, 5 based on Foata normal form. 15/3465 useless extension candidates. Maximal degree in co-relation 37956. Up to 686 conditions per place. [2021-04-29 08:00:03,189 INFO L146 LiptonReduction]: Number of co-enabled transitions 1644 [2021-04-29 08:00:03,469 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:03,469 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:03,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1632 [2021-04-29 08:00:03,470 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 1310 transitions, 40791 flow [2021-04-29 08:00:03,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:03,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:03,470 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:03,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:03,671 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:03,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1729608782, now seen corresponding path program 5 times [2021-04-29 08:00:03,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:03,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141549854] [2021-04-29 08:00:03,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:03,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:03,719 INFO L142 QuantifierPusher]: treesize reduction 82, result has 44.6 percent of original size [2021-04-29 08:00:03,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:03,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:00:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:00:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:03,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:03,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141549854] [2021-04-29 08:00:03,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441189511] [2021-04-29 08:00:03,885 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:03,911 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:00:03,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:00:03,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:00:03,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:03,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,945 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size 28 [2021-04-29 08:00:03,946 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:00:03,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:03,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:03,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,975 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-04-29 08:00:03,976 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size [2021-04-29 08:00:03,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:03,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:03,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:03,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,001 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 08:00:04,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:04,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:00:04,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:00:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:04,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:00:04,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:04,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:04,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:00:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:04,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:04,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:00:04,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:04,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:04,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:04,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:04,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:04,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:00:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:04,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:04,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:04,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:00:04,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289526440] [2021-04-29 08:00:04,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:00:04,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:04,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:00:04,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:00:04,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:04,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 1310 transitions, 40791 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:04,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:04,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:04,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:08,086 INFO L129 PetriNetUnfolder]: 1387/3680 cut-off events. [2021-04-29 08:00:08,086 INFO L130 PetriNetUnfolder]: For 144135/144205 co-relation queries the response was YES. [2021-04-29 08:00:08,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43003 conditions, 3680 events. 1387/3680 cut-off events. For 144135/144205 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35847 event pairs, 50 based on Foata normal form. 66/3746 useless extension candidates. Maximal degree in co-relation 42527. Up to 2779 conditions per place. [2021-04-29 08:00:08,168 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1244 selfloop transitions, 78 changer transitions 0/1328 dead transitions. [2021-04-29 08:00:08,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 1328 transitions, 43745 flow [2021-04-29 08:00:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 08:00:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 08:00:08,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 231 transitions. [2021-04-29 08:00:08,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4442307692307692 [2021-04-29 08:00:08,169 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 231 transitions. [2021-04-29 08:00:08,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 231 transitions. [2021-04-29 08:00:08,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:08,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 231 transitions. [2021-04-29 08:00:08,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.76923076923077) internal successors, (231), 13 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:08,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:08,171 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:08,171 INFO L185 Difference]: Start difference. First operand has 473 places, 1310 transitions, 40791 flow. Second operand 13 states and 231 transitions. [2021-04-29 08:00:08,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 1328 transitions, 43745 flow [2021-04-29 08:00:10,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 1328 transitions, 43608 flow, removed 64 selfloop flow, removed 2 redundant places. [2021-04-29 08:00:10,692 INFO L241 Difference]: Finished difference. Result has 488 places, 1320 transitions, 41126 flow [2021-04-29 08:00:10,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=40654, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=41126, PETRI_PLACES=488, PETRI_TRANSITIONS=1320} [2021-04-29 08:00:10,694 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 457 predicate places. [2021-04-29 08:00:10,694 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:10,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 1320 transitions, 41126 flow [2021-04-29 08:00:10,694 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 1320 transitions, 41126 flow [2021-04-29 08:00:10,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 1320 transitions, 41126 flow [2021-04-29 08:00:11,889 INFO L129 PetriNetUnfolder]: 1256/3470 cut-off events. [2021-04-29 08:00:11,889 INFO L130 PetriNetUnfolder]: For 139794/139963 co-relation queries the response was YES. [2021-04-29 08:00:11,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38813 conditions, 3470 events. 1256/3470 cut-off events. For 139794/139963 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 34788 event pairs, 6 based on Foata normal form. 12/3478 useless extension candidates. Maximal degree in co-relation 38451. Up to 696 conditions per place. [2021-04-29 08:00:11,988 INFO L146 LiptonReduction]: Number of co-enabled transitions 1670 [2021-04-29 08:00:12,279 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:12,279 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:12,279 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1585 [2021-04-29 08:00:12,280 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 1320 transitions, 41126 flow [2021-04-29 08:00:12,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:12,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:12,280 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:12,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:12,492 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:12,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:12,492 INFO L82 PathProgramCache]: Analyzing trace with hash 561258258, now seen corresponding path program 6 times [2021-04-29 08:00:12,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:12,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284845574] [2021-04-29 08:00:12,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:12,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:12,538 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-04-29 08:00:12,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:00:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:12,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:12,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284845574] [2021-04-29 08:00:12,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175275859] [2021-04-29 08:00:12,654 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:00:12,688 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:00:12,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:12,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:00:12,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:12,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:12,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,776 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-04-29 08:00:12,777 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 08:00:12,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:12,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:12,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:12,805 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 08:00:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:12,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:00:12,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:12,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:12,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,849 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-04-29 08:00:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:12,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:12,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:12,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:12,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:00:12,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:12,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:12,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:12,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:12,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:12,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:00:12,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:12,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:12,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:12,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:12,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:12,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:00:12,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:12,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:12,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:12,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:12,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:00:12,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878357311] [2021-04-29 08:00:12,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:00:12,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:12,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:00:12,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:00:12,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:12,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1320 transitions, 41126 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:12,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:12,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:12,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:16,358 INFO L129 PetriNetUnfolder]: 1419/3737 cut-off events. [2021-04-29 08:00:16,358 INFO L130 PetriNetUnfolder]: For 146756/146826 co-relation queries the response was YES. [2021-04-29 08:00:16,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43869 conditions, 3737 events. 1419/3737 cut-off events. For 146756/146826 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 36313 event pairs, 56 based on Foata normal form. 54/3791 useless extension candidates. Maximal degree in co-relation 43371. Up to 2817 conditions per place. [2021-04-29 08:00:16,442 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1261 selfloop transitions, 91 changer transitions 0/1358 dead transitions. [2021-04-29 08:00:16,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 1358 transitions, 44578 flow [2021-04-29 08:00:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:00:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:00:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 220 transitions. [2021-04-29 08:00:16,443 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2021-04-29 08:00:16,444 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 220 transitions. [2021-04-29 08:00:16,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 220 transitions. [2021-04-29 08:00:16,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:16,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 220 transitions. [2021-04-29 08:00:16,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.333333333333332) internal successors, (220), 12 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:16,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:16,445 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:16,445 INFO L185 Difference]: Start difference. First operand has 488 places, 1320 transitions, 41126 flow. Second operand 12 states and 220 transitions. [2021-04-29 08:00:16,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 1358 transitions, 44578 flow [2021-04-29 08:00:19,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1358 transitions, 44473 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-04-29 08:00:19,045 INFO L241 Difference]: Finished difference. Result has 497 places, 1348 transitions, 41940 flow [2021-04-29 08:00:19,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=41021, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=41940, PETRI_PLACES=497, PETRI_TRANSITIONS=1348} [2021-04-29 08:00:19,046 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 466 predicate places. [2021-04-29 08:00:19,046 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:19,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 1348 transitions, 41940 flow [2021-04-29 08:00:19,047 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 1348 transitions, 41940 flow [2021-04-29 08:00:19,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 1348 transitions, 41940 flow [2021-04-29 08:00:20,121 INFO L129 PetriNetUnfolder]: 1286/3522 cut-off events. [2021-04-29 08:00:20,122 INFO L130 PetriNetUnfolder]: For 142926/143099 co-relation queries the response was YES. [2021-04-29 08:00:20,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39643 conditions, 3522 events. 1286/3522 cut-off events. For 142926/143099 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 35153 event pairs, 6 based on Foata normal form. 13/3529 useless extension candidates. Maximal degree in co-relation 39260. Up to 713 conditions per place. [2021-04-29 08:00:20,224 INFO L146 LiptonReduction]: Number of co-enabled transitions 1712 [2021-04-29 08:00:20,551 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:20,551 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:20,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1505 [2021-04-29 08:00:20,552 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 1348 transitions, 41940 flow [2021-04-29 08:00:20,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:20,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:20,552 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:20,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-04-29 08:00:20,752 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:20,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:20,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1187996848, now seen corresponding path program 7 times [2021-04-29 08:00:20,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:20,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459009320] [2021-04-29 08:00:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:20,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:20,824 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-04-29 08:00:20,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 08:00:20,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:20,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:00:20,948 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 08:00:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:20,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:20,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:20,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:20,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459009320] [2021-04-29 08:00:20,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647842876] [2021-04-29 08:00:20,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:21,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:00:21,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:21,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:21,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:21,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:21,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:21,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,029 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-04-29 08:00:21,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 08:00:21,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,056 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 08:00:21,057 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 08:00:21,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,127 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 08:00:21,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:21,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:00:21,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:21,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:21,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:21,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:21,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:00:21,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:21,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:21,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:21,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:21,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:21,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:00:21,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:21,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:21,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:21,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:21,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:00:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:21,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:21,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:21,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:21,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:00:21,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954964712] [2021-04-29 08:00:21,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:00:21,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:21,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:00:21,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:00:21,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:21,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1348 transitions, 41940 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:21,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:21,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:21,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:24,745 INFO L129 PetriNetUnfolder]: 1423/3760 cut-off events. [2021-04-29 08:00:24,745 INFO L130 PetriNetUnfolder]: For 149300/149306 co-relation queries the response was YES. [2021-04-29 08:00:24,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44410 conditions, 3760 events. 1423/3760 cut-off events. For 149300/149306 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 36641 event pairs, 66 based on Foata normal form. 7/3767 useless extension candidates. Maximal degree in co-relation 43904. Up to 2853 conditions per place. [2021-04-29 08:00:24,824 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1300 selfloop transitions, 53 changer transitions 2/1361 dead transitions. [2021-04-29 08:00:24,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 1361 transitions, 44959 flow [2021-04-29 08:00:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:00:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:00:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2021-04-29 08:00:24,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:00:24,826 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 180 transitions. [2021-04-29 08:00:24,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 180 transitions. [2021-04-29 08:00:24,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:24,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 180 transitions. [2021-04-29 08:00:24,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:24,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:24,827 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:24,827 INFO L185 Difference]: Start difference. First operand has 497 places, 1348 transitions, 41940 flow. Second operand 10 states and 180 transitions. [2021-04-29 08:00:24,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 1361 transitions, 44959 flow [2021-04-29 08:00:27,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 1361 transitions, 44752 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-04-29 08:00:27,334 INFO L241 Difference]: Finished difference. Result has 502 places, 1356 transitions, 42058 flow [2021-04-29 08:00:27,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=41734, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=42058, PETRI_PLACES=502, PETRI_TRANSITIONS=1356} [2021-04-29 08:00:27,336 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 471 predicate places. [2021-04-29 08:00:27,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:27,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 1356 transitions, 42058 flow [2021-04-29 08:00:27,336 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 1356 transitions, 42058 flow [2021-04-29 08:00:27,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 1356 transitions, 42058 flow [2021-04-29 08:00:28,412 INFO L129 PetriNetUnfolder]: 1291/3540 cut-off events. [2021-04-29 08:00:28,412 INFO L130 PetriNetUnfolder]: For 145540/145701 co-relation queries the response was YES. [2021-04-29 08:00:28,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39984 conditions, 3540 events. 1291/3540 cut-off events. For 145540/145701 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 35426 event pairs, 5 based on Foata normal form. 6/3538 useless extension candidates. Maximal degree in co-relation 39512. Up to 713 conditions per place. [2021-04-29 08:00:28,519 INFO L146 LiptonReduction]: Number of co-enabled transitions 1730 [2021-04-29 08:00:28,814 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:28,815 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:28,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1479 [2021-04-29 08:00:28,815 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 1356 transitions, 42058 flow [2021-04-29 08:00:28,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:28,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:28,815 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:29,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-04-29 08:00:29,016 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:29,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1669401640, now seen corresponding path program 8 times [2021-04-29 08:00:29,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:29,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990271670] [2021-04-29 08:00:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:29,060 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-04-29 08:00:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 08:00:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:00:29,181 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 08:00:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:29,200 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-04-29 08:00:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:29,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:29,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990271670] [2021-04-29 08:00:29,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282691251] [2021-04-29 08:00:29,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:00:29,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:00:29,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:29,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 08:00:29,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:29,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:29,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:29,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:29,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:29,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:29,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:29,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:29,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:00:29,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,376 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-04-29 08:00:29,376 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-04-29 08:00:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:00:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:29,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:29,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:29,424 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2021-04-29 08:00:29,425 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 08:00:29,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:00:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:29,429 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:00:29,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:00:29,429 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:00:29,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,439 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:00:29,444 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,445 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:00:29,446 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:00:29,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:29,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-04-29 08:00:29,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:00:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:29,480 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:00:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,485 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:00:29,486 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:29,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 08:00:29,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:29,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:29,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:29,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:29,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:29,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:00:29,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866863542] [2021-04-29 08:00:29,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:00:29,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:29,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:00:29,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:00:29,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:29,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 1356 transitions, 42058 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:29,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:29,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:29,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:32,736 INFO L129 PetriNetUnfolder]: 1439/3784 cut-off events. [2021-04-29 08:00:32,736 INFO L130 PetriNetUnfolder]: For 151877/151889 co-relation queries the response was YES. [2021-04-29 08:00:32,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44892 conditions, 3784 events. 1439/3784 cut-off events. For 151877/151889 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36799 event pairs, 63 based on Foata normal form. 13/3797 useless extension candidates. Maximal degree in co-relation 44492. Up to 2854 conditions per place. [2021-04-29 08:00:32,823 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1303 selfloop transitions, 69 changer transitions 1/1379 dead transitions. [2021-04-29 08:00:32,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 1379 transitions, 45397 flow [2021-04-29 08:00:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:00:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:00:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-04-29 08:00:32,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4575 [2021-04-29 08:00:32,824 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-04-29 08:00:32,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-04-29 08:00:32,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:32,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-04-29 08:00:32,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:32,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:32,825 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:32,825 INFO L185 Difference]: Start difference. First operand has 502 places, 1356 transitions, 42058 flow. Second operand 10 states and 183 transitions. [2021-04-29 08:00:32,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 1379 transitions, 45397 flow [2021-04-29 08:00:35,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1379 transitions, 45309 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 08:00:35,564 INFO L241 Difference]: Finished difference. Result has 507 places, 1370 transitions, 42522 flow [2021-04-29 08:00:35,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=41970, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=42522, PETRI_PLACES=507, PETRI_TRANSITIONS=1370} [2021-04-29 08:00:35,565 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 476 predicate places. [2021-04-29 08:00:35,565 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:35,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 1370 transitions, 42522 flow [2021-04-29 08:00:35,566 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 1370 transitions, 42522 flow [2021-04-29 08:00:35,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 1370 transitions, 42522 flow [2021-04-29 08:00:36,786 INFO L129 PetriNetUnfolder]: 1300/3560 cut-off events. [2021-04-29 08:00:36,786 INFO L130 PetriNetUnfolder]: For 147672/147843 co-relation queries the response was YES. [2021-04-29 08:00:36,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40433 conditions, 3560 events. 1300/3560 cut-off events. For 147672/147843 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35490 event pairs, 6 based on Foata normal form. 13/3567 useless extension candidates. Maximal degree in co-relation 39957. Up to 719 conditions per place. [2021-04-29 08:00:36,883 INFO L146 LiptonReduction]: Number of co-enabled transitions 1748 [2021-04-29 08:00:37,188 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:37,188 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:37,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1623 [2021-04-29 08:00:37,189 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 1370 transitions, 42522 flow [2021-04-29 08:00:37,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:37,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:37,189 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:37,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-04-29 08:00:37,390 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:37,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:37,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1277803624, now seen corresponding path program 39 times [2021-04-29 08:00:37,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:37,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976780124] [2021-04-29 08:00:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:37,423 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:00:37,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:37,444 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-04-29 08:00:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:00:37,510 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-04-29 08:00:37,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:00:37,556 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-04-29 08:00:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:00:37,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:37,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:00:37,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:00:37,638 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:37,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976780124] [2021-04-29 08:00:37,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339708961] [2021-04-29 08:00:37,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:37,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 08:00:37,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:00:37,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:00:37,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:37,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,721 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-04-29 08:00:37,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 08:00:37,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:37,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:37,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:37,748 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 08:00:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:37,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:37,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:37,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:37,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:37,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:37,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:37,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:37,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,834 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 08:00:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:37,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:37,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:37,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:37,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:37,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:37,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:37,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:37,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:37,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:37,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:37,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:37,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:00:37,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:37,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:37,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:37,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:37,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:37,864 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:00:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:37,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:37,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:37,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:37,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:00:37,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555840214] [2021-04-29 08:00:37,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:00:37,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:37,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:00:37,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:00:37,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:37,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 1370 transitions, 42522 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:37,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:37,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:37,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:41,689 INFO L129 PetriNetUnfolder]: 1446/3817 cut-off events. [2021-04-29 08:00:41,689 INFO L130 PetriNetUnfolder]: For 155453/155455 co-relation queries the response was YES. [2021-04-29 08:00:41,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45638 conditions, 3817 events. 1446/3817 cut-off events. For 155453/155455 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 37350 event pairs, 61 based on Foata normal form. 6/3823 useless extension candidates. Maximal degree in co-relation 45236. Up to 2893 conditions per place. [2021-04-29 08:00:41,778 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1330 selfloop transitions, 51 changer transitions 7/1394 dead transitions. [2021-04-29 08:00:41,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1394 transitions, 46110 flow [2021-04-29 08:00:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 08:00:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 08:00:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 226 transitions. [2021-04-29 08:00:41,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4346153846153846 [2021-04-29 08:00:41,780 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 226 transitions. [2021-04-29 08:00:41,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 226 transitions. [2021-04-29 08:00:41,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:41,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 226 transitions. [2021-04-29 08:00:41,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.384615384615383) internal successors, (226), 13 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:41,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:41,781 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:41,781 INFO L185 Difference]: Start difference. First operand has 507 places, 1370 transitions, 42522 flow. Second operand 13 states and 226 transitions. [2021-04-29 08:00:41,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1394 transitions, 46110 flow [2021-04-29 08:00:44,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 1394 transitions, 45991 flow, removed 35 selfloop flow, removed 6 redundant places. [2021-04-29 08:00:44,553 INFO L241 Difference]: Finished difference. Result has 516 places, 1380 transitions, 43020 flow [2021-04-29 08:00:44,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=42403, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=43020, PETRI_PLACES=516, PETRI_TRANSITIONS=1380} [2021-04-29 08:00:44,554 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 485 predicate places. [2021-04-29 08:00:44,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:44,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 1380 transitions, 43020 flow [2021-04-29 08:00:44,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 1380 transitions, 43020 flow [2021-04-29 08:00:44,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 1380 transitions, 43020 flow [2021-04-29 08:00:45,685 INFO L129 PetriNetUnfolder]: 1307/3579 cut-off events. [2021-04-29 08:00:45,685 INFO L130 PetriNetUnfolder]: For 151656/151854 co-relation queries the response was YES. [2021-04-29 08:00:45,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41039 conditions, 3579 events. 1307/3579 cut-off events. For 151656/151854 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 35954 event pairs, 5 based on Foata normal form. 23/3595 useless extension candidates. Maximal degree in co-relation 40558. Up to 719 conditions per place. [2021-04-29 08:00:45,793 INFO L146 LiptonReduction]: Number of co-enabled transitions 1764 [2021-04-29 08:00:46,131 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:46,131 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:46,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1577 [2021-04-29 08:00:46,131 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 1380 transitions, 43020 flow [2021-04-29 08:00:46,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:46,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:46,132 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:46,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:46,345 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1307145010, now seen corresponding path program 40 times [2021-04-29 08:00:46,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:46,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433535638] [2021-04-29 08:00:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:46,380 INFO L142 QuantifierPusher]: treesize reduction 53, result has 35.4 percent of original size [2021-04-29 08:00:46,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:46,399 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-04-29 08:00:46,400 INFO L147 QuantifierPusher]: treesize reduction 8, result has 87.3 percent of original size 55 [2021-04-29 08:00:46,460 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-04-29 08:00:46,461 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-04-29 08:00:46,510 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-04-29 08:00:46,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:00:46,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:46,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433535638] [2021-04-29 08:00:46,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723537487] [2021-04-29 08:00:46,602 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:46,630 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:00:46,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:00:46,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:00:46,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:46,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:46,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:46,699 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 08:00:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:46,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:46,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:46,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:46,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:46,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:46,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:46,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:46,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:46,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:46,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:46,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:46,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:00:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:46,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:46,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:46,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:46,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:00:46,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:46,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:46,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:46,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:46,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:00:46,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739320572] [2021-04-29 08:00:46,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:00:46,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:46,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:00:46,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:00:46,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:46,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 1380 transitions, 43020 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:46,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:46,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:46,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:50,821 INFO L129 PetriNetUnfolder]: 1451/3836 cut-off events. [2021-04-29 08:00:50,822 INFO L130 PetriNetUnfolder]: For 159291/159345 co-relation queries the response was YES. [2021-04-29 08:00:50,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46080 conditions, 3836 events. 1451/3836 cut-off events. For 159291/159345 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 37538 event pairs, 60 based on Foata normal form. 48/3884 useless extension candidates. Maximal degree in co-relation 45674. Up to 2186 conditions per place. [2021-04-29 08:00:50,906 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 971 selfloop transitions, 429 changer transitions 6/1412 dead transitions. [2021-04-29 08:00:50,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 1412 transitions, 46535 flow [2021-04-29 08:00:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 08:00:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 08:00:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 263 transitions. [2021-04-29 08:00:50,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43833333333333335 [2021-04-29 08:00:50,908 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 263 transitions. [2021-04-29 08:00:50,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 263 transitions. [2021-04-29 08:00:50,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:50,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 263 transitions. [2021-04-29 08:00:50,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.533333333333335) internal successors, (263), 15 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:50,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:50,910 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:50,910 INFO L185 Difference]: Start difference. First operand has 516 places, 1380 transitions, 43020 flow. Second operand 15 states and 263 transitions. [2021-04-29 08:00:50,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 1412 transitions, 46535 flow [2021-04-29 08:00:53,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 1412 transitions, 46371 flow, removed 46 selfloop flow, removed 10 redundant places. [2021-04-29 08:00:53,540 INFO L241 Difference]: Finished difference. Result has 524 places, 1391 transitions, 44110 flow [2021-04-29 08:00:53,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=42856, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=44110, PETRI_PLACES=524, PETRI_TRANSITIONS=1391} [2021-04-29 08:00:53,542 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 493 predicate places. [2021-04-29 08:00:53,542 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:53,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 1391 transitions, 44110 flow [2021-04-29 08:00:53,543 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 1391 transitions, 44110 flow [2021-04-29 08:00:53,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 1391 transitions, 44110 flow [2021-04-29 08:00:54,746 INFO L129 PetriNetUnfolder]: 1317/3633 cut-off events. [2021-04-29 08:00:54,746 INFO L130 PetriNetUnfolder]: For 159904/160079 co-relation queries the response was YES. [2021-04-29 08:00:54,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42299 conditions, 3633 events. 1317/3633 cut-off events. For 159904/160079 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 36687 event pairs, 3 based on Foata normal form. 11/3638 useless extension candidates. Maximal degree in co-relation 41900. Up to 723 conditions per place. [2021-04-29 08:00:54,884 INFO L146 LiptonReduction]: Number of co-enabled transitions 1768 [2021-04-29 08:00:55,249 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:55,249 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:55,249 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1707 [2021-04-29 08:00:55,250 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 1391 transitions, 44110 flow [2021-04-29 08:00:55,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:55,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:55,250 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:55,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:55,460 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:55,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:55,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1052473742, now seen corresponding path program 9 times [2021-04-29 08:00:55,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:55,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666263393] [2021-04-29 08:00:55,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:55,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:55,504 INFO L142 QuantifierPusher]: treesize reduction 82, result has 44.6 percent of original size [2021-04-29 08:00:55,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:55,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:00:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:00:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:55,714 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:00:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:55,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666263393] [2021-04-29 08:00:55,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405739443] [2021-04-29 08:00:55,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:55,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 08:00:55,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:00:55,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:00:55,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:55,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:55,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,787 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-04-29 08:00:55,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-04-29 08:00:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:55,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:55,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,842 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:00:55,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:55,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:00:55,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:55,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:55,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:55,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:55,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:55,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:00:55,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:55,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:55,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:00:55,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:00:55,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:55,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:55,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:55,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:00:55,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:00:55,967 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-04-29 08:00:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,969 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:00:55,970 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:55,971 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-04-29 08:00:55,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:55,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:55,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:55,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 08:00:55,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,998 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:00:55,999 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,002 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 08:00:56,003 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,005 INFO L147 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size 31 [2021-04-29 08:00:56,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:00:56,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:56,016 INFO L147 QuantifierPusher]: treesize reduction 17, result has 79.3 percent of original size 65 [2021-04-29 08:00:56,017 INFO L147 QuantifierPusher]: treesize reduction 38, result has 57.3 percent of original size 51 [2021-04-29 08:00:56,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:56,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:89 [2021-04-29 08:00:56,018 INFO L142 QuantifierPusher]: treesize reduction 38, result has 57.3 percent of original size [2021-04-29 08:00:56,025 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size 40 [2021-04-29 08:00:56,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-04-29 08:00:56,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:00:56,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:56,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:56,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:56,089 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 08:00:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:00:56,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:00:56,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:00:56,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,095 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 08:00:56,096 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:56,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:00:56,100 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-04-29 08:00:56,101 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:56,102 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 08:00:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:00:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:00:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:56,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:56,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-04-29 08:00:56,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779718878] [2021-04-29 08:00:56,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:00:56,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:56,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:00:56,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:00:56,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:56,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 1391 transitions, 44110 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:56,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:56,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:56,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:00,335 INFO L129 PetriNetUnfolder]: 1457/3824 cut-off events. [2021-04-29 08:01:00,335 INFO L130 PetriNetUnfolder]: For 168898/168900 co-relation queries the response was YES. [2021-04-29 08:01:00,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47273 conditions, 3824 events. 1457/3824 cut-off events. For 168898/168900 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37239 event pairs, 61 based on Foata normal form. 3/3827 useless extension candidates. Maximal degree in co-relation 46745. Up to 2900 conditions per place. [2021-04-29 08:01:00,432 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1317 selfloop transitions, 88 changer transitions 0/1411 dead transitions. [2021-04-29 08:01:00,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1411 transitions, 47480 flow [2021-04-29 08:01:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:01:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:01:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 314 transitions. [2021-04-29 08:01:00,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4361111111111111 [2021-04-29 08:01:00,434 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 314 transitions. [2021-04-29 08:01:00,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 314 transitions. [2021-04-29 08:01:00,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:00,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 314 transitions. [2021-04-29 08:01:00,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.444444444444443) internal successors, (314), 18 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:00,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:00,436 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:00,436 INFO L185 Difference]: Start difference. First operand has 524 places, 1391 transitions, 44110 flow. Second operand 18 states and 314 transitions. [2021-04-29 08:01:00,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1411 transitions, 47480 flow [2021-04-29 08:01:03,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 1411 transitions, 47244 flow, removed 70 selfloop flow, removed 6 redundant places. [2021-04-29 08:01:03,585 INFO L241 Difference]: Finished difference. Result has 539 places, 1400 transitions, 44441 flow [2021-04-29 08:01:03,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=43879, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=44441, PETRI_PLACES=539, PETRI_TRANSITIONS=1400} [2021-04-29 08:01:03,587 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 508 predicate places. [2021-04-29 08:01:03,587 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:03,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 1400 transitions, 44441 flow [2021-04-29 08:01:03,587 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 1400 transitions, 44441 flow [2021-04-29 08:01:03,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 539 places, 1400 transitions, 44441 flow [2021-04-29 08:01:04,787 INFO L129 PetriNetUnfolder]: 1317/3632 cut-off events. [2021-04-29 08:01:04,787 INFO L130 PetriNetUnfolder]: For 159712/159909 co-relation queries the response was YES. [2021-04-29 08:01:04,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42443 conditions, 3632 events. 1317/3632 cut-off events. For 159712/159909 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36581 event pairs, 4 based on Foata normal form. 24/3653 useless extension candidates. Maximal degree in co-relation 42113. Up to 732 conditions per place. [2021-04-29 08:01:04,901 INFO L146 LiptonReduction]: Number of co-enabled transitions 1794 [2021-04-29 08:01:05,269 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:05,269 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:05,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1682 [2021-04-29 08:01:05,270 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 1400 transitions, 44441 flow [2021-04-29 08:01:05,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:05,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:05,270 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:05,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-04-29 08:01:05,471 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:05,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1804285080, now seen corresponding path program 10 times [2021-04-29 08:01:05,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:05,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065920785] [2021-04-29 08:01:05,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:05,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:05,518 INFO L142 QuantifierPusher]: treesize reduction 86, result has 37.7 percent of original size [2021-04-29 08:01:05,519 INFO L147 QuantifierPusher]: treesize reduction 3, result has 94.2 percent of original size 49 [2021-04-29 08:01:05,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-04-29 08:01:05,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:01:05,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-04-29 08:01:05,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:01:05,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:01:05,707 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-04-29 08:01:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:05,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:01:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:05,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065920785] [2021-04-29 08:01:05,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407312993] [2021-04-29 08:01:05,741 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:05,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:01:05,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:05,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:01:05,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:05,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:05,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,858 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-04-29 08:01:05,859 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-04-29 08:01:05,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:01:05,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:01:05,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:01:05,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 08:01:05,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:01:05,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:01:05,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:01:05,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:05,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,930 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:01:05,930 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 08:01:05,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:05,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:05,948 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 08:01:05,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:01:05,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:01:05,952 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:01:05,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:01:05,953 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:01:05,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:05,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:05,963 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:15 [2021-04-29 08:01:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:05,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:05,989 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:01:05,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:05,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:05,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:05,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:01:05,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:06,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:06,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:06,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:06,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 08:01:06,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964868781] [2021-04-29 08:01:06,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:01:06,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:06,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:01:06,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:01:06,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:06,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1400 transitions, 44441 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:06,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:06,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:06,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:10,281 INFO L129 PetriNetUnfolder]: 1503/3923 cut-off events. [2021-04-29 08:01:10,282 INFO L130 PetriNetUnfolder]: For 173885/173938 co-relation queries the response was YES. [2021-04-29 08:01:10,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48741 conditions, 3923 events. 1503/3923 cut-off events. For 173885/173938 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38257 event pairs, 67 based on Foata normal form. 48/3971 useless extension candidates. Maximal degree in co-relation 48404. Up to 2952 conditions per place. [2021-04-29 08:01:10,387 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1362 selfloop transitions, 101 changer transitions 2/1471 dead transitions. [2021-04-29 08:01:10,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 1471 transitions, 49855 flow [2021-04-29 08:01:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:01:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:01:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 205 transitions. [2021-04-29 08:01:10,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4659090909090909 [2021-04-29 08:01:10,389 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 205 transitions. [2021-04-29 08:01:10,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 205 transitions. [2021-04-29 08:01:10,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:10,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 205 transitions. [2021-04-29 08:01:10,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.636363636363637) internal successors, (205), 11 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:10,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:10,390 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:10,390 INFO L185 Difference]: Start difference. First operand has 539 places, 1400 transitions, 44441 flow. Second operand 11 states and 205 transitions. [2021-04-29 08:01:10,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 1471 transitions, 49855 flow [2021-04-29 08:01:13,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 1471 transitions, 49661 flow, removed 17 selfloop flow, removed 12 redundant places. [2021-04-29 08:01:13,318 INFO L241 Difference]: Finished difference. Result has 543 places, 1448 transitions, 46378 flow [2021-04-29 08:01:13,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=44248, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=46378, PETRI_PLACES=543, PETRI_TRANSITIONS=1448} [2021-04-29 08:01:13,319 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 512 predicate places. [2021-04-29 08:01:13,319 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:13,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 1448 transitions, 46378 flow [2021-04-29 08:01:13,319 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 1448 transitions, 46378 flow [2021-04-29 08:01:13,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 1448 transitions, 46378 flow [2021-04-29 08:01:14,606 INFO L129 PetriNetUnfolder]: 1366/3730 cut-off events. [2021-04-29 08:01:14,606 INFO L130 PetriNetUnfolder]: For 169281/169508 co-relation queries the response was YES. [2021-04-29 08:01:14,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44335 conditions, 3730 events. 1366/3730 cut-off events. For 169281/169508 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37567 event pairs, 5 based on Foata normal form. 25/3748 useless extension candidates. Maximal degree in co-relation 44009. Up to 761 conditions per place. [2021-04-29 08:01:14,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 1868 [2021-04-29 08:01:15,099 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:15,099 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:15,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1780 [2021-04-29 08:01:15,100 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 1448 transitions, 46378 flow [2021-04-29 08:01:15,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:15,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:15,100 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:15,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:15,301 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:15,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:15,301 INFO L82 PathProgramCache]: Analyzing trace with hash 2025270230, now seen corresponding path program 41 times [2021-04-29 08:01:15,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:15,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631102468] [2021-04-29 08:01:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:15,335 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:01:15,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:15,356 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-04-29 08:01:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 08:01:15,421 INFO L142 QuantifierPusher]: treesize reduction 26, result has 76.6 percent of original size [2021-04-29 08:01:15,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-29 08:01:15,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 08:01:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:01:15,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:15,566 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:01:15,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:15,583 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:01:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:15,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631102468] [2021-04-29 08:01:15,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793335253] [2021-04-29 08:01:15,598 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:01:15,623 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:01:15,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:15,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:01:15,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:15,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,681 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-04-29 08:01:15,681 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-29 08:01:15,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:15,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,720 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size 48 [2021-04-29 08:01:15,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-04-29 08:01:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:15,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:15,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:15,754 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 08:01:15,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 08:01:15,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:15,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 08:01:15,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:01:15,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:01:15,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,796 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-04-29 08:01:15,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:15,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:15,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:15,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:15,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:15,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:15,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:15,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:15,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:15,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:01:15,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:15,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:15,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:15,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:15,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:15,821 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:01:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:15,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:15,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:01:15,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218131469] [2021-04-29 08:01:15,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:01:15,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:15,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:01:15,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:01:15,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:15,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 1448 transitions, 46378 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:15,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:15,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:15,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:16,297 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-04-29 08:01:19,885 INFO L129 PetriNetUnfolder]: 1509/3942 cut-off events. [2021-04-29 08:01:19,886 INFO L130 PetriNetUnfolder]: For 179527/179595 co-relation queries the response was YES. [2021-04-29 08:01:19,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49545 conditions, 3942 events. 1509/3942 cut-off events. For 179527/179595 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 38557 event pairs, 68 based on Foata normal form. 52/3994 useless extension candidates. Maximal degree in co-relation 49225. Up to 2981 conditions per place. [2021-04-29 08:01:19,982 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1372 selfloop transitions, 96 changer transitions 1/1475 dead transitions. [2021-04-29 08:01:19,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1475 transitions, 50311 flow [2021-04-29 08:01:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 08:01:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 08:01:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 252 transitions. [2021-04-29 08:01:19,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:01:19,983 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 252 transitions. [2021-04-29 08:01:19,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 252 transitions. [2021-04-29 08:01:19,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:19,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 252 transitions. [2021-04-29 08:01:19,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 18.0) internal successors, (252), 14 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:19,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:19,984 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:19,985 INFO L185 Difference]: Start difference. First operand has 543 places, 1448 transitions, 46378 flow. Second operand 14 states and 252 transitions. [2021-04-29 08:01:19,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 1475 transitions, 50311 flow [2021-04-29 08:01:23,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 1475 transitions, 50093 flow, removed 93 selfloop flow, removed 3 redundant places. [2021-04-29 08:01:23,141 INFO L241 Difference]: Finished difference. Result has 557 places, 1461 transitions, 46950 flow [2021-04-29 08:01:23,142 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=46160, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=46950, PETRI_PLACES=557, PETRI_TRANSITIONS=1461} [2021-04-29 08:01:23,142 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 526 predicate places. [2021-04-29 08:01:23,142 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:23,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 557 places, 1461 transitions, 46950 flow [2021-04-29 08:01:23,143 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 557 places, 1461 transitions, 46950 flow [2021-04-29 08:01:23,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 557 places, 1461 transitions, 46950 flow [2021-04-29 08:01:24,609 INFO L129 PetriNetUnfolder]: 1366/3750 cut-off events. [2021-04-29 08:01:24,609 INFO L130 PetriNetUnfolder]: For 170844/171048 co-relation queries the response was YES. [2021-04-29 08:01:24,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44780 conditions, 3750 events. 1366/3750 cut-off events. For 170844/171048 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37940 event pairs, 4 based on Foata normal form. 8/3753 useless extension candidates. Maximal degree in co-relation 44457. Up to 765 conditions per place. [2021-04-29 08:01:24,717 INFO L146 LiptonReduction]: Number of co-enabled transitions 1892 [2021-04-29 08:01:25,069 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:25,069 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:25,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1927 [2021-04-29 08:01:25,070 INFO L480 AbstractCegarLoop]: Abstraction has has 557 places, 1461 transitions, 46950 flow [2021-04-29 08:01:25,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:25,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:25,070 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:25,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-04-29 08:01:25,278 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:25,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:25,279 INFO L82 PathProgramCache]: Analyzing trace with hash 327183230, now seen corresponding path program 42 times [2021-04-29 08:01:25,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:25,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907924584] [2021-04-29 08:01:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:25,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-04-29 08:01:25,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:25,333 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-04-29 08:01:25,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:25,364 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-04-29 08:01:25,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 08:01:25,411 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-29 08:01:25,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 08:01:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:25,466 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:01:25,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,482 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-29 08:01:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:25,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907924584] [2021-04-29 08:01:25,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810264026] [2021-04-29 08:01:25,501 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:25,525 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:01:25,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:25,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:01:25,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,592 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-04-29 08:01:25,593 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-29 08:01:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:25,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,638 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size 48 [2021-04-29 08:01:25,638 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-04-29 08:01:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,672 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-04-29 08:01:25,672 INFO L142 QuantifierPusher]: treesize reduction 7, result has 80.0 percent of original size [2021-04-29 08:01:25,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:25,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-04-29 08:01:25,704 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:01:25,705 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:01:25,705 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:01:25,706 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,707 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:01:25,707 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:01:25,708 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,709 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:01:25,710 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:25,711 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-04-29 08:01:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:01:25,714 INFO L147 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size 23 [2021-04-29 08:01:25,715 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-04-29 08:01:25,716 INFO L147 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size 8 [2021-04-29 08:01:25,716 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 08:01:25,736 INFO L628 ElimStorePlain]: treesize reduction 15, result has 50.0 percent of original size [2021-04-29 08:01:25,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:25,737 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:15 [2021-04-29 08:01:25,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:25,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:01:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:25,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,781 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:01:25,782 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:25,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:25,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:25,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:25,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:01:25,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463750290] [2021-04-29 08:01:25,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:01:25,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:25,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:01:25,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:01:25,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:25,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 1461 transitions, 46950 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:25,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:25,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:25,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:26,211 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-29 08:01:26,644 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-29 08:01:26,808 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-29 08:01:27,084 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-04-29 08:01:27,257 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-04-29 08:01:32,229 INFO L129 PetriNetUnfolder]: 1610/4210 cut-off events. [2021-04-29 08:01:32,229 INFO L130 PetriNetUnfolder]: For 196028/196040 co-relation queries the response was YES. [2021-04-29 08:01:32,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53051 conditions, 4210 events. 1610/4210 cut-off events. For 196028/196040 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 41827 event pairs, 16 based on Foata normal form. 14/4224 useless extension candidates. Maximal degree in co-relation 52722. Up to 2465 conditions per place. [2021-04-29 08:01:32,340 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1177 selfloop transitions, 458 changer transitions 10/1651 dead transitions. [2021-04-29 08:01:32,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 1651 transitions, 55101 flow [2021-04-29 08:01:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 08:01:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 08:01:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 488 transitions. [2021-04-29 08:01:32,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45185185185185184 [2021-04-29 08:01:32,342 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 488 transitions. [2021-04-29 08:01:32,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 488 transitions. [2021-04-29 08:01:32,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:32,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 488 transitions. [2021-04-29 08:01:32,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 18.074074074074073) internal successors, (488), 27 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:32,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 40.0) internal successors, (1120), 28 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:32,355 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 40.0) internal successors, (1120), 28 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:32,355 INFO L185 Difference]: Start difference. First operand has 557 places, 1461 transitions, 46950 flow. Second operand 27 states and 488 transitions. [2021-04-29 08:01:32,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 1651 transitions, 55101 flow [2021-04-29 08:01:36,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 1651 transitions, 54870 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-04-29 08:01:36,604 INFO L241 Difference]: Finished difference. Result has 586 places, 1599 transitions, 52064 flow [2021-04-29 08:01:36,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=46719, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=52064, PETRI_PLACES=586, PETRI_TRANSITIONS=1599} [2021-04-29 08:01:36,605 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 555 predicate places. [2021-04-29 08:01:36,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:36,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1599 transitions, 52064 flow [2021-04-29 08:01:36,606 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1599 transitions, 52064 flow [2021-04-29 08:01:36,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 1599 transitions, 52064 flow [2021-04-29 08:01:38,160 INFO L129 PetriNetUnfolder]: 1477/3989 cut-off events. [2021-04-29 08:01:38,160 INFO L130 PetriNetUnfolder]: For 204809/205053 co-relation queries the response was YES. [2021-04-29 08:01:38,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50056 conditions, 3989 events. 1477/3989 cut-off events. For 204809/205053 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 40481 event pairs, 0 based on Foata normal form. 21/3999 useless extension candidates. Maximal degree in co-relation 49721. Up to 862 conditions per place. [2021-04-29 08:01:38,294 INFO L146 LiptonReduction]: Number of co-enabled transitions 2000 [2021-04-29 08:01:38,779 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:38,780 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:38,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2174 [2021-04-29 08:01:38,780 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 1599 transitions, 52064 flow [2021-04-29 08:01:38,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:38,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:38,780 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:38,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:38,985 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:38,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:38,986 INFO L82 PathProgramCache]: Analyzing trace with hash -77924850, now seen corresponding path program 11 times [2021-04-29 08:01:38,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:38,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687982007] [2021-04-29 08:01:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:39,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:39,032 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-04-29 08:01:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:01:39,098 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-04-29 08:01:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:01:39,148 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 08:01:39,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:39,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:39,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:01:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:39,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687982007] [2021-04-29 08:01:39,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955057153] [2021-04-29 08:01:39,198 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:39,232 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 08:01:39,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:01:39,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:39,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,249 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-04-29 08:01:39,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 08:01:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:39,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:39,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:39,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,276 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-04-29 08:01:39,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 08:01:39,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,357 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-04-29 08:01:39,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:01:39,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:39,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:39,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:01:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,452 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-04-29 08:01:39,452 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:01:39,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:39,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:01:39,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:01:39,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:39,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:39,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:39,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:01:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:39,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:39,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:39,479 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:39,479 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:01:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:39,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:39,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:39,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:01:39,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557076213] [2021-04-29 08:01:39,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:01:39,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:39,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:01:39,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:01:39,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:39,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 1599 transitions, 52064 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:39,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:39,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:39,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:43,437 INFO L129 PetriNetUnfolder]: 1619/4273 cut-off events. [2021-04-29 08:01:43,438 INFO L130 PetriNetUnfolder]: For 215449/215517 co-relation queries the response was YES. [2021-04-29 08:01:43,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55798 conditions, 4273 events. 1619/4273 cut-off events. For 215449/215517 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 42654 event pairs, 62 based on Foata normal form. 51/4324 useless extension candidates. Maximal degree in co-relation 55457. Up to 3264 conditions per place. [2021-04-29 08:01:43,550 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1555 selfloop transitions, 63 changer transitions 2/1626 dead transitions. [2021-04-29 08:01:43,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 1626 transitions, 56013 flow [2021-04-29 08:01:43,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:01:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:01:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 202 transitions. [2021-04-29 08:01:43,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4590909090909091 [2021-04-29 08:01:43,552 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 202 transitions. [2021-04-29 08:01:43,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 202 transitions. [2021-04-29 08:01:43,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:43,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 202 transitions. [2021-04-29 08:01:43,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.363636363636363) internal successors, (202), 11 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:43,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:43,553 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:43,553 INFO L185 Difference]: Start difference. First operand has 586 places, 1599 transitions, 52064 flow. Second operand 11 states and 202 transitions. [2021-04-29 08:01:43,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 1626 transitions, 56013 flow [2021-04-29 08:01:47,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 1626 transitions, 54549 flow, removed 609 selfloop flow, removed 13 redundant places. [2021-04-29 08:01:47,742 INFO L241 Difference]: Finished difference. Result has 585 places, 1613 transitions, 51137 flow [2021-04-29 08:01:47,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=50602, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=51137, PETRI_PLACES=585, PETRI_TRANSITIONS=1613} [2021-04-29 08:01:47,743 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 554 predicate places. [2021-04-29 08:01:47,744 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:47,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 1613 transitions, 51137 flow [2021-04-29 08:01:47,744 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 1613 transitions, 51137 flow [2021-04-29 08:01:47,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 585 places, 1613 transitions, 51137 flow [2021-04-29 08:01:49,244 INFO L129 PetriNetUnfolder]: 1491/4024 cut-off events. [2021-04-29 08:01:49,244 INFO L130 PetriNetUnfolder]: For 202805/203071 co-relation queries the response was YES. [2021-04-29 08:01:49,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49901 conditions, 4024 events. 1491/4024 cut-off events. For 202805/203071 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 40786 event pairs, 0 based on Foata normal form. 39/4050 useless extension candidates. Maximal degree in co-relation 49579. Up to 800 conditions per place. [2021-04-29 08:01:49,378 INFO L146 LiptonReduction]: Number of co-enabled transitions 2018 [2021-04-29 08:01:49,821 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:49,821 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:49,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2078 [2021-04-29 08:01:49,821 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 1613 transitions, 51137 flow [2021-04-29 08:01:49,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:49,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:49,822 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:50,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-04-29 08:01:50,022 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:50,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:50,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1433760972, now seen corresponding path program 12 times [2021-04-29 08:01:50,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:50,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737210975] [2021-04-29 08:01:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:50,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,067 INFO L142 QuantifierPusher]: treesize reduction 31, result has 66.3 percent of original size [2021-04-29 08:01:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 08:01:50,125 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-04-29 08:01:50,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:01:50,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:01:50,199 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:01:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:50,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737210975] [2021-04-29 08:01:50,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827322242] [2021-04-29 08:01:50,213 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:50,247 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:01:50,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:50,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:01:50,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,308 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-04-29 08:01:50,309 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 08:01:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:01:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:01:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:01:50,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,332 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-04-29 08:01:50,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 08:01:50,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:50,364 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 08:01:50,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:50,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:50,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,398 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-04-29 08:01:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:50,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:50,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:50,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:50,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:50,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:01:50,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:01:50,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:50,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:01:50,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:50,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:50,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:01:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:50,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:50,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:50,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:50,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:01:50,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:50,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:50,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:01:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:50,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:50,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:01:50,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537146066] [2021-04-29 08:01:50,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:01:50,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:01:50,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:01:50,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:50,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 1613 transitions, 51137 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:50,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:50,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:50,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:56,086 INFO L129 PetriNetUnfolder]: 1619/4278 cut-off events. [2021-04-29 08:01:56,086 INFO L130 PetriNetUnfolder]: For 210659/210665 co-relation queries the response was YES. [2021-04-29 08:01:56,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55241 conditions, 4278 events. 1619/4278 cut-off events. For 210659/210665 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 42874 event pairs, 63 based on Foata normal form. 5/4283 useless extension candidates. Maximal degree in co-relation 54913. Up to 3269 conditions per place. [2021-04-29 08:01:56,187 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1565 selfloop transitions, 50 changer transitions 1/1622 dead transitions. [2021-04-29 08:01:56,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 1622 transitions, 54560 flow [2021-04-29 08:01:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 08:01:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 08:01:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 162 transitions. [2021-04-29 08:01:56,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:01:56,188 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 162 transitions. [2021-04-29 08:01:56,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 162 transitions. [2021-04-29 08:01:56,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:56,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 162 transitions. [2021-04-29 08:01:56,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:56,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:56,189 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:56,189 INFO L185 Difference]: Start difference. First operand has 585 places, 1613 transitions, 51137 flow. Second operand 9 states and 162 transitions. [2021-04-29 08:01:56,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 1622 transitions, 54560 flow [2021-04-29 08:01:59,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 1622 transitions, 54404 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-04-29 08:01:59,967 INFO L241 Difference]: Finished difference. Result has 586 places, 1615 transitions, 51190 flow [2021-04-29 08:01:59,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=50976, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=51190, PETRI_PLACES=586, PETRI_TRANSITIONS=1615} [2021-04-29 08:01:59,968 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 555 predicate places. [2021-04-29 08:01:59,969 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:59,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1615 transitions, 51190 flow [2021-04-29 08:01:59,969 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1615 transitions, 51190 flow [2021-04-29 08:01:59,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 1615 transitions, 51190 flow [2021-04-29 08:02:01,483 INFO L129 PetriNetUnfolder]: 1492/4027 cut-off events. [2021-04-29 08:02:01,484 INFO L130 PetriNetUnfolder]: For 202670/202930 co-relation queries the response was YES. [2021-04-29 08:02:01,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49925 conditions, 4027 events. 1492/4027 cut-off events. For 202670/202930 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 40874 event pairs, 0 based on Foata normal form. 33/4047 useless extension candidates. Maximal degree in co-relation 49602. Up to 801 conditions per place. [2021-04-29 08:02:01,830 INFO L146 LiptonReduction]: Number of co-enabled transitions 2024 [2021-04-29 08:02:02,254 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:02,254 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:02,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2285 [2021-04-29 08:02:02,254 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 1615 transitions, 51190 flow [2021-04-29 08:02:02,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:02,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:02,255 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:02,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:02,455 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1636850980, now seen corresponding path program 13 times [2021-04-29 08:02:02,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:02,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420104399] [2021-04-29 08:02:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:02,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:02,507 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-04-29 08:02:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:02:02,584 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-04-29 08:02:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:02:02,636 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 08:02:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:02,655 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-04-29 08:02:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:02,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:02:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:02,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420104399] [2021-04-29 08:02:02,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635673731] [2021-04-29 08:02:02,689 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:02,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:02:02,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,733 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-04-29 08:02:02,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 08:02:02,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:02,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:02,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,754 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-04-29 08:02:02,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 08:02:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:02,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:02,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:02,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:02,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:02,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:02,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:02,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:02,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:02,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:02,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 08:02:02,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:02,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:02,873 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:02:02,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:02,874 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:02:02,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,886 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:02,887 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:02:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:02,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2021-04-29 08:02:02,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-04-29 08:02:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:02,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,928 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:02,929 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:02,930 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-04-29 08:02:02,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:02,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:02,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:02,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:02,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:02,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:02,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:02:02,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312427097] [2021-04-29 08:02:02,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:02:02,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:02,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:02:02,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:02:02,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:02,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 1615 transitions, 51190 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:02,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:02,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:02,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:08,246 INFO L129 PetriNetUnfolder]: 1640/4333 cut-off events. [2021-04-29 08:02:08,246 INFO L130 PetriNetUnfolder]: For 214351/214357 co-relation queries the response was YES. [2021-04-29 08:02:08,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55915 conditions, 4333 events. 1640/4333 cut-off events. For 214351/214357 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 43502 event pairs, 65 based on Foata normal form. 5/4338 useless extension candidates. Maximal degree in co-relation 55586. Up to 3280 conditions per place. [2021-04-29 08:02:08,353 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1554 selfloop transitions, 84 changer transitions 6/1650 dead transitions. [2021-04-29 08:02:08,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 1650 transitions, 55433 flow [2021-04-29 08:02:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:02:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:02:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 217 transitions. [2021-04-29 08:02:08,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45208333333333334 [2021-04-29 08:02:08,354 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 217 transitions. [2021-04-29 08:02:08,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 217 transitions. [2021-04-29 08:02:08,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:08,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 217 transitions. [2021-04-29 08:02:08,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.083333333333332) internal successors, (217), 12 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:08,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:08,355 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:08,355 INFO L185 Difference]: Start difference. First operand has 586 places, 1615 transitions, 51190 flow. Second operand 12 states and 217 transitions. [2021-04-29 08:02:08,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 1650 transitions, 55433 flow [2021-04-29 08:02:12,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 1650 transitions, 55329 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 08:02:12,572 INFO L241 Difference]: Finished difference. Result has 594 places, 1635 transitions, 51856 flow [2021-04-29 08:02:12,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51086, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=51856, PETRI_PLACES=594, PETRI_TRANSITIONS=1635} [2021-04-29 08:02:12,574 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 563 predicate places. [2021-04-29 08:02:12,574 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:12,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 1635 transitions, 51856 flow [2021-04-29 08:02:12,574 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 1635 transitions, 51856 flow [2021-04-29 08:02:12,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 594 places, 1635 transitions, 51856 flow [2021-04-29 08:02:14,669 INFO L129 PetriNetUnfolder]: 1513/4084 cut-off events. [2021-04-29 08:02:14,669 INFO L130 PetriNetUnfolder]: For 212848/213116 co-relation queries the response was YES. [2021-04-29 08:02:14,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51103 conditions, 4084 events. 1513/4084 cut-off events. For 212848/213116 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 41613 event pairs, 1 based on Foata normal form. 36/4109 useless extension candidates. Maximal degree in co-relation 50777. Up to 808 conditions per place. [2021-04-29 08:02:14,795 INFO L146 LiptonReduction]: Number of co-enabled transitions 2038 [2021-04-29 08:02:15,323 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:15,324 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:15,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2750 [2021-04-29 08:02:15,324 INFO L480 AbstractCegarLoop]: Abstraction has has 594 places, 1635 transitions, 51856 flow [2021-04-29 08:02:15,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:15,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:15,324 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:15,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:15,525 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:15,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1968405662, now seen corresponding path program 14 times [2021-04-29 08:02:15,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:15,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688213873] [2021-04-29 08:02:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:15,579 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-04-29 08:02:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:02:15,642 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-04-29 08:02:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:02:15,690 INFO L142 QuantifierPusher]: treesize reduction 99, result has 27.2 percent of original size [2021-04-29 08:02:15,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:02:15,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:15,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:02:15,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:15,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688213873] [2021-04-29 08:02:15,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474675465] [2021-04-29 08:02:15,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:15,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:02:15,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:15,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:02:15,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:15,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:15,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:15,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:15,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:15,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,822 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-04-29 08:02:15,823 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 08:02:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:15,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 08:02:15,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:15,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:02:15,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:15,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:15,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:15,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:15,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:15,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:15,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:15,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:15,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:02:15,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:02:15,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:15,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:02:15,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:15,969 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:15,969 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:02:15,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:15,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:15,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:15,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:02:15,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48108715] [2021-04-29 08:02:15,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:02:15,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:15,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:02:15,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:02:15,989 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:15,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 1635 transitions, 51856 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:15,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:15,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:15,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:21,412 INFO L129 PetriNetUnfolder]: 1639/4335 cut-off events. [2021-04-29 08:02:21,412 INFO L130 PetriNetUnfolder]: For 221601/221607 co-relation queries the response was YES. [2021-04-29 08:02:21,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56407 conditions, 4335 events. 1639/4335 cut-off events. For 221601/221607 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 43547 event pairs, 63 based on Foata normal form. 8/4343 useless extension candidates. Maximal degree in co-relation 56075. Up to 3309 conditions per place. [2021-04-29 08:02:21,531 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1590 selfloop transitions, 51 changer transitions 2/1649 dead transitions. [2021-04-29 08:02:21,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 1649 transitions, 55534 flow [2021-04-29 08:02:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:02:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:02:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2021-04-29 08:02:21,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:02:21,532 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 180 transitions. [2021-04-29 08:02:21,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 180 transitions. [2021-04-29 08:02:21,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:21,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 180 transitions. [2021-04-29 08:02:21,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,535 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,535 INFO L185 Difference]: Start difference. First operand has 594 places, 1635 transitions, 51856 flow. Second operand 10 states and 180 transitions. [2021-04-29 08:02:21,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 1649 transitions, 55534 flow [2021-04-29 08:02:25,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 1649 transitions, 55336 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-04-29 08:02:25,865 INFO L241 Difference]: Finished difference. Result has 599 places, 1638 transitions, 51871 flow [2021-04-29 08:02:25,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51631, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=51871, PETRI_PLACES=599, PETRI_TRANSITIONS=1638} [2021-04-29 08:02:25,866 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 568 predicate places. [2021-04-29 08:02:25,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:25,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 1638 transitions, 51871 flow [2021-04-29 08:02:25,867 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 1638 transitions, 51871 flow [2021-04-29 08:02:25,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 599 places, 1638 transitions, 51871 flow [2021-04-29 08:02:27,836 INFO L129 PetriNetUnfolder]: 1511/4083 cut-off events. [2021-04-29 08:02:27,836 INFO L130 PetriNetUnfolder]: For 210472/210708 co-relation queries the response was YES. [2021-04-29 08:02:27,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50998 conditions, 4083 events. 1511/4083 cut-off events. For 210472/210708 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 41473 event pairs, 0 based on Foata normal form. 32/4105 useless extension candidates. Maximal degree in co-relation 50669. Up to 807 conditions per place. [2021-04-29 08:02:27,962 INFO L146 LiptonReduction]: Number of co-enabled transitions 2042 [2021-04-29 08:02:28,389 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:28,390 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:28,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2524 [2021-04-29 08:02:28,390 INFO L480 AbstractCegarLoop]: Abstraction has has 599 places, 1638 transitions, 51871 flow [2021-04-29 08:02:28,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:28,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:28,390 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:28,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:28,591 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:28,592 INFO L82 PathProgramCache]: Analyzing trace with hash 797769998, now seen corresponding path program 15 times [2021-04-29 08:02:28,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:28,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342152085] [2021-04-29 08:02:28,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:28,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:28,642 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-04-29 08:02:28,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 08:02:28,813 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2021-04-29 08:02:28,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:28,861 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 08:02:28,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:28,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:28,890 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:02:28,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:28,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342152085] [2021-04-29 08:02:28,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506401445] [2021-04-29 08:02:28,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:28,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 08:02:28,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:28,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:02:28,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:28,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:28,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:28,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:28,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:28,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:28,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:28,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:28,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:29,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,017 INFO L142 QuantifierPusher]: treesize reduction 8, result has 85.5 percent of original size [2021-04-29 08:02:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:02:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:02:29,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:29,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:02:29,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:29,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:02:29,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:29,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 08:02:29,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:02:29,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,066 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-04-29 08:02:29,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:02:29,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:02:29,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,126 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 08:02:29,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:02:29,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:02:29,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:29,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,181 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 08:02:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:02:29,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:02:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:29,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:02:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:29,206 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 08:02:29,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:29,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:29,210 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:02:29,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:29,210 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:02:29,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,226 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:29,227 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:02:29,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:29,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:29,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:17 [2021-04-29 08:02:29,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:29,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:29,273 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-04-29 08:02:29,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:29,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:29,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:29,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:29,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:29,281 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-04-29 08:02:29,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:29,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:29,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:29,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:29,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-04-29 08:02:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722806910] [2021-04-29 08:02:29,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:02:29,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:02:29,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:02:29,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:29,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 1638 transitions, 51871 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:29,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:29,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:29,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:29,662 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2021-04-29 08:02:35,259 INFO L129 PetriNetUnfolder]: 1646/4359 cut-off events. [2021-04-29 08:02:35,259 INFO L130 PetriNetUnfolder]: For 223284/223290 co-relation queries the response was YES. [2021-04-29 08:02:35,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56675 conditions, 4359 events. 1646/4359 cut-off events. For 223284/223290 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 43885 event pairs, 63 based on Foata normal form. 6/4365 useless extension candidates. Maximal degree in co-relation 56340. Up to 3320 conditions per place. [2021-04-29 08:02:35,362 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1587 selfloop transitions, 62 changer transitions 5/1660 dead transitions. [2021-04-29 08:02:35,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 1660 transitions, 55765 flow [2021-04-29 08:02:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 08:02:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 08:02:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 249 transitions. [2021-04-29 08:02:35,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4446428571428571 [2021-04-29 08:02:35,364 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 249 transitions. [2021-04-29 08:02:35,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 249 transitions. [2021-04-29 08:02:35,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:35,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 249 transitions. [2021-04-29 08:02:35,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.785714285714285) internal successors, (249), 14 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:35,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:35,366 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:35,366 INFO L185 Difference]: Start difference. First operand has 599 places, 1638 transitions, 51871 flow. Second operand 14 states and 249 transitions. [2021-04-29 08:02:35,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 1660 transitions, 55765 flow [2021-04-29 08:02:39,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 1660 transitions, 55695 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-04-29 08:02:39,744 INFO L241 Difference]: Finished difference. Result has 610 places, 1651 transitions, 52303 flow [2021-04-29 08:02:39,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51801, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=52303, PETRI_PLACES=610, PETRI_TRANSITIONS=1651} [2021-04-29 08:02:39,745 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 579 predicate places. [2021-04-29 08:02:39,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:39,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 1651 transitions, 52303 flow [2021-04-29 08:02:39,746 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 1651 transitions, 52303 flow [2021-04-29 08:02:39,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 1651 transitions, 52303 flow [2021-04-29 08:02:41,528 INFO L129 PetriNetUnfolder]: 1521/4111 cut-off events. [2021-04-29 08:02:41,528 INFO L130 PetriNetUnfolder]: For 216314/216546 co-relation queries the response was YES. [2021-04-29 08:02:41,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51725 conditions, 4111 events. 1521/4111 cut-off events. For 216314/216546 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 41896 event pairs, 1 based on Foata normal form. 22/4122 useless extension candidates. Maximal degree in co-relation 51392. Up to 812 conditions per place. [2021-04-29 08:02:41,662 INFO L146 LiptonReduction]: Number of co-enabled transitions 2044 [2021-04-29 08:02:42,317 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:42,317 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:42,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2573 [2021-04-29 08:02:42,318 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 1651 transitions, 52303 flow [2021-04-29 08:02:42,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:42,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:42,318 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:42,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:42,523 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1910559162, now seen corresponding path program 16 times [2021-04-29 08:02:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:42,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740878791] [2021-04-29 08:02:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:42,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:02:42,565 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-04-29 08:02:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:02:42,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:02:42,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:42,664 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:02:42,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:02:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:42,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740878791] [2021-04-29 08:02:42,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672987106] [2021-04-29 08:02:42,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:42,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:02:42,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:42,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:02:42,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:42,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,754 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:02:42,755 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 08:02:42,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,796 INFO L147 QuantifierPusher]: treesize reduction 8, result has 84.0 percent of original size 42 [2021-04-29 08:02:42,796 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.0 percent of original size [2021-04-29 08:02:42,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:02:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:02:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:02:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,827 INFO L147 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size 24 [2021-04-29 08:02:42,828 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.0 percent of original size [2021-04-29 08:02:42,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:42,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:42,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,864 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-04-29 08:02:42,865 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 08:02:42,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:42,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:42,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:42,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:42,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 08:02:42,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:42,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:42,888 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:02:42,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:42,889 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:02:42,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:42,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,902 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:02:42,903 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:02:42,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:42,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2021-04-29 08:02:42,904 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:02:42,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:42,931 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:02:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:42,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:02:42,936 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:42,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 08:02:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:42,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:42,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:42,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:02:42,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812274117] [2021-04-29 08:02:42,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:02:42,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:42,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:02:42,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:02:42,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:42,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 1651 transitions, 52303 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:42,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:42,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:42,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:48,690 INFO L129 PetriNetUnfolder]: 1693/4435 cut-off events. [2021-04-29 08:02:48,691 INFO L130 PetriNetUnfolder]: For 231476/231482 co-relation queries the response was YES. [2021-04-29 08:02:48,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58163 conditions, 4435 events. 1693/4435 cut-off events. For 231476/231482 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 44488 event pairs, 60 based on Foata normal form. 5/4440 useless extension candidates. Maximal degree in co-relation 57824. Up to 3331 conditions per place. [2021-04-29 08:02:48,817 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1567 selfloop transitions, 130 changer transitions 7/1710 dead transitions. [2021-04-29 08:02:48,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 1710 transitions, 57272 flow [2021-04-29 08:02:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:02:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:02:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 292 transitions. [2021-04-29 08:02:48,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45625 [2021-04-29 08:02:48,819 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 292 transitions. [2021-04-29 08:02:48,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 292 transitions. [2021-04-29 08:02:48,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:48,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 292 transitions. [2021-04-29 08:02:48,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.25) internal successors, (292), 16 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:48,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:48,821 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:48,821 INFO L185 Difference]: Start difference. First operand has 610 places, 1651 transitions, 52303 flow. Second operand 16 states and 292 transitions. [2021-04-29 08:02:48,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 1710 transitions, 57272 flow [2021-04-29 08:02:53,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 1710 transitions, 57074 flow, removed 74 selfloop flow, removed 6 redundant places. [2021-04-29 08:02:53,678 INFO L241 Difference]: Finished difference. Result has 622 places, 1692 transitions, 53685 flow [2021-04-29 08:02:53,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=52105, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=53685, PETRI_PLACES=622, PETRI_TRANSITIONS=1692} [2021-04-29 08:02:53,680 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 591 predicate places. [2021-04-29 08:02:53,680 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:53,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 622 places, 1692 transitions, 53685 flow [2021-04-29 08:02:53,680 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 622 places, 1692 transitions, 53685 flow [2021-04-29 08:02:53,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 1692 transitions, 53685 flow [2021-04-29 08:02:55,937 INFO L129 PetriNetUnfolder]: 1556/4183 cut-off events. [2021-04-29 08:02:55,937 INFO L130 PetriNetUnfolder]: For 226181/226411 co-relation queries the response was YES. [2021-04-29 08:02:56,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53066 conditions, 4183 events. 1556/4183 cut-off events. For 226181/226411 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 42646 event pairs, 1 based on Foata normal form. 27/4199 useless extension candidates. Maximal degree in co-relation 52729. Up to 818 conditions per place. [2021-04-29 08:02:56,072 INFO L146 LiptonReduction]: Number of co-enabled transitions 2068 [2021-04-29 08:02:56,552 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:56,552 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:56,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2873 [2021-04-29 08:02:56,553 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 1692 transitions, 53685 flow [2021-04-29 08:02:56,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:56,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:56,553 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:56,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-04-29 08:02:56,754 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:56,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1279434050, now seen corresponding path program 17 times [2021-04-29 08:02:56,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:56,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639729959] [2021-04-29 08:02:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:56,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:02:56,800 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-04-29 08:02:56,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:02:56,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:02:56,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:56,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:02:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:56,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:02:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:56,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639729959] [2021-04-29 08:02:56,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820868426] [2021-04-29 08:02:56,937 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:56,961 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:02:56,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:56,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:02:56,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:56,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,988 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 08:02:56,989 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 08:02:56,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:56,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:56,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:57,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,024 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-04-29 08:02:57,024 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 08:02:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:02:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:57,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:02:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,090 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-04-29 08:02:57,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:57,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:57,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:57,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:02:57,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:57,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:02:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:57,109 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-04-29 08:02:57,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:57,112 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-04-29 08:02:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:02:57,112 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-04-29 08:02:57,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,122 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:02:57,123 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,125 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:02:57,125 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:02:57,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:57,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2021-04-29 08:02:57,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:02:57,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:57,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:02:57,150 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:02:57,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,155 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:02:57,156 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:57,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 08:02:57,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:57,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:57,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:57,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:02:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:57,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:57,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:02:57,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212474671] [2021-04-29 08:02:57,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:02:57,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:57,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:02:57,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:02:57,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:57,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 1692 transitions, 53685 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:57,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:57,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:57,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:03,085 INFO L129 PetriNetUnfolder]: 1717/4482 cut-off events. [2021-04-29 08:03:03,085 INFO L130 PetriNetUnfolder]: For 239337/239343 co-relation queries the response was YES. [2021-04-29 08:03:03,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59228 conditions, 4482 events. 1717/4482 cut-off events. For 239337/239343 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 44873 event pairs, 61 based on Foata normal form. 6/4488 useless extension candidates. Maximal degree in co-relation 58885. Up to 3327 conditions per place. [2021-04-29 08:03:03,212 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1551 selfloop transitions, 201 changer transitions 5/1763 dead transitions. [2021-04-29 08:03:03,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 1763 transitions, 58947 flow [2021-04-29 08:03:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:03:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:03:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 311 transitions. [2021-04-29 08:03:03,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4573529411764706 [2021-04-29 08:03:03,213 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 311 transitions. [2021-04-29 08:03:03,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 311 transitions. [2021-04-29 08:03:03,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:03,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 311 transitions. [2021-04-29 08:03:03,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.294117647058822) internal successors, (311), 17 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:03,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:03,215 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:03,215 INFO L185 Difference]: Start difference. First operand has 622 places, 1692 transitions, 53685 flow. Second operand 17 states and 311 transitions. [2021-04-29 08:03:03,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 1763 transitions, 58947 flow [2021-04-29 08:03:07,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 1763 transitions, 58409 flow, removed 175 selfloop flow, removed 10 redundant places. [2021-04-29 08:03:07,937 INFO L241 Difference]: Finished difference. Result has 633 places, 1742 transitions, 55207 flow [2021-04-29 08:03:07,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=53192, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=55207, PETRI_PLACES=633, PETRI_TRANSITIONS=1742} [2021-04-29 08:03:07,939 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 602 predicate places. [2021-04-29 08:03:07,939 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:07,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 1742 transitions, 55207 flow [2021-04-29 08:03:07,939 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 1742 transitions, 55207 flow [2021-04-29 08:03:07,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 633 places, 1742 transitions, 55207 flow [2021-04-29 08:03:09,840 INFO L129 PetriNetUnfolder]: 1577/4216 cut-off events. [2021-04-29 08:03:09,840 INFO L130 PetriNetUnfolder]: For 235623/235882 co-relation queries the response was YES. [2021-04-29 08:03:09,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54039 conditions, 4216 events. 1577/4216 cut-off events. For 235623/235882 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 42742 event pairs, 1 based on Foata normal form. 29/4234 useless extension candidates. Maximal degree in co-relation 53697. Up to 820 conditions per place. [2021-04-29 08:03:09,976 INFO L146 LiptonReduction]: Number of co-enabled transitions 2104 [2021-04-29 08:03:10,472 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:10,473 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:10,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2534 [2021-04-29 08:03:10,473 INFO L480 AbstractCegarLoop]: Abstraction has has 633 places, 1742 transitions, 55207 flow [2021-04-29 08:03:10,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:10,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:10,473 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:10,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:10,674 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:10,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1566488410, now seen corresponding path program 18 times [2021-04-29 08:03:10,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:10,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493440601] [2021-04-29 08:03:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:10,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:10,703 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-04-29 08:03:10,703 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-04-29 08:03:10,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:10,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:10,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:10,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:03:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:10,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493440601] [2021-04-29 08:03:10,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443397287] [2021-04-29 08:03:10,821 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:10,857 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 08:03:10,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:03:10,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:03:10,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:03:10,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:10,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:10,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,882 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 08:03:10,882 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 08:03:10,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:10,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,958 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 08:03:10,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:10,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:10,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,997 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-04-29 08:03:10,998 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:03:10,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:10,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:03:11,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:11,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:03:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:11,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:03:11,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:03:11,042 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 08:03:11,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:11,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:03:11,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:11,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:11,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:11,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:11,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:11,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:11,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,095 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-04-29 08:03:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:11,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:11,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:11,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:11,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:11,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:11,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:11,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:11,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:11,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:03:11,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:03:11,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:11,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:11,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:03:11,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:11,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:11,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:03:11,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:11,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:11,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:11,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:11,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 08:03:11,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774872847] [2021-04-29 08:03:11,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:03:11,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:11,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:03:11,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:03:11,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2021-04-29 08:03:11,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 1742 transitions, 55207 flow. Second operand has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:11,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:11,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2021-04-29 08:03:11,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:16,950 INFO L129 PetriNetUnfolder]: 1717/4514 cut-off events. [2021-04-29 08:03:16,950 INFO L130 PetriNetUnfolder]: For 249012/249018 co-relation queries the response was YES. [2021-04-29 08:03:17,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59976 conditions, 4514 events. 1717/4514 cut-off events. For 249012/249018 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 45450 event pairs, 70 based on Foata normal form. 5/4519 useless extension candidates. Maximal degree in co-relation 59628. Up to 2627 conditions per place. [2021-04-29 08:03:17,065 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1266 selfloop transitions, 498 changer transitions 5/1775 dead transitions. [2021-04-29 08:03:17,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 1775 transitions, 59431 flow [2021-04-29 08:03:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:03:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:03:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 302 transitions. [2021-04-29 08:03:17,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.471875 [2021-04-29 08:03:17,066 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 302 transitions. [2021-04-29 08:03:17,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 302 transitions. [2021-04-29 08:03:17,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:17,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 302 transitions. [2021-04-29 08:03:17,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.875) internal successors, (302), 16 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:17,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:17,068 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:17,068 INFO L185 Difference]: Start difference. First operand has 633 places, 1742 transitions, 55207 flow. Second operand 16 states and 302 transitions. [2021-04-29 08:03:17,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 1775 transitions, 59431 flow [2021-04-29 08:03:21,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 1775 transitions, 59080 flow, removed 140 selfloop flow, removed 10 redundant places. [2021-04-29 08:03:21,740 INFO L241 Difference]: Finished difference. Result has 642 places, 1750 transitions, 56135 flow [2021-04-29 08:03:21,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=54856, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=490, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=56135, PETRI_PLACES=642, PETRI_TRANSITIONS=1750} [2021-04-29 08:03:21,742 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 611 predicate places. [2021-04-29 08:03:21,742 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:21,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 1750 transitions, 56135 flow [2021-04-29 08:03:21,743 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 1750 transitions, 56135 flow [2021-04-29 08:03:21,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 642 places, 1750 transitions, 56135 flow [2021-04-29 08:03:23,857 INFO L129 PetriNetUnfolder]: 1579/4221 cut-off events. [2021-04-29 08:03:23,857 INFO L130 PetriNetUnfolder]: For 248356/248621 co-relation queries the response was YES. [2021-04-29 08:03:23,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55067 conditions, 4221 events. 1579/4221 cut-off events. For 248356/248621 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 43020 event pairs, 1 based on Foata normal form. 29/4240 useless extension candidates. Maximal degree in co-relation 54752. Up to 817 conditions per place. [2021-04-29 08:03:23,997 INFO L146 LiptonReduction]: Number of co-enabled transitions 2108 [2021-04-29 08:03:24,510 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:24,510 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:24,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2768 [2021-04-29 08:03:24,510 INFO L480 AbstractCegarLoop]: Abstraction has has 642 places, 1750 transitions, 56135 flow [2021-04-29 08:03:24,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:24,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:24,511 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:24,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-04-29 08:03:24,716 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:24,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2137080558, now seen corresponding path program 43 times [2021-04-29 08:03:24,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:24,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352345571] [2021-04-29 08:03:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:24,746 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:03:24,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:24,766 INFO L142 QuantifierPusher]: treesize reduction 32, result has 63.2 percent of original size [2021-04-29 08:03:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:03:24,836 INFO L142 QuantifierPusher]: treesize reduction 66, result has 54.2 percent of original size [2021-04-29 08:03:24,837 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 75 [2021-04-29 08:03:24,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 08:03:24,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:24,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:24,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:24,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:24,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:24,979 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:03:24,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:24,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352345571] [2021-04-29 08:03:24,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339018400] [2021-04-29 08:03:24,997 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:25,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:03:25,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:25,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:25,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:25,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:25,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:25,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:25,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:25,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:25,159 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-04-29 08:03:25,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:25,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:25,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:25,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:25,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:25,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:03:25,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:03:25,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:03:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:25,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:03:25,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:25,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:25,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:03:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:25,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:25,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:25,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:03:25,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525179840] [2021-04-29 08:03:25,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:03:25,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:25,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:03:25,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:03:25,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:03:25,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 1750 transitions, 56135 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:25,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:25,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:03:25,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:32,235 INFO L129 PetriNetUnfolder]: 1770/4703 cut-off events. [2021-04-29 08:03:32,235 INFO L130 PetriNetUnfolder]: For 269463/269533 co-relation queries the response was YES. [2021-04-29 08:03:32,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63290 conditions, 4703 events. 1770/4703 cut-off events. For 269463/269533 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 47979 event pairs, 69 based on Foata normal form. 62/4765 useless extension candidates. Maximal degree in co-relation 62969. Up to 2566 conditions per place. [2021-04-29 08:03:32,356 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1159 selfloop transitions, 697 changer transitions 2/1864 dead transitions. [2021-04-29 08:03:32,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 1864 transitions, 63035 flow [2021-04-29 08:03:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:03:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:03:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 396 transitions. [2021-04-29 08:03:32,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:03:32,358 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 396 transitions. [2021-04-29 08:03:32,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 396 transitions. [2021-04-29 08:03:32,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:32,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 396 transitions. [2021-04-29 08:03:32,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 18.0) internal successors, (396), 22 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:32,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 40.0) internal successors, (920), 23 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:32,360 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 40.0) internal successors, (920), 23 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:32,360 INFO L185 Difference]: Start difference. First operand has 642 places, 1750 transitions, 56135 flow. Second operand 22 states and 396 transitions. [2021-04-29 08:03:32,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 1864 transitions, 63035 flow [2021-04-29 08:03:37,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 1864 transitions, 62872 flow, removed 31 selfloop flow, removed 10 redundant places. [2021-04-29 08:03:37,451 INFO L241 Difference]: Finished difference. Result has 661 places, 1827 transitions, 60588 flow [2021-04-29 08:03:37,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=55982, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=620, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1078, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=60588, PETRI_PLACES=661, PETRI_TRANSITIONS=1827} [2021-04-29 08:03:37,452 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 630 predicate places. [2021-04-29 08:03:37,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:37,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 1827 transitions, 60588 flow [2021-04-29 08:03:37,453 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 1827 transitions, 60588 flow [2021-04-29 08:03:37,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 1827 transitions, 60588 flow [2021-04-29 08:03:39,522 INFO L129 PetriNetUnfolder]: 1637/4460 cut-off events. [2021-04-29 08:03:39,522 INFO L130 PetriNetUnfolder]: For 271544/271809 co-relation queries the response was YES. [2021-04-29 08:03:39,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59284 conditions, 4460 events. 1637/4460 cut-off events. For 271544/271809 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 46426 event pairs, 1 based on Foata normal form. 33/4481 useless extension candidates. Maximal degree in co-relation 58962. Up to 814 conditions per place. [2021-04-29 08:03:39,676 INFO L146 LiptonReduction]: Number of co-enabled transitions 2176 [2021-04-29 08:03:40,240 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:40,240 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:40,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2787 [2021-04-29 08:03:40,241 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1827 transitions, 60588 flow [2021-04-29 08:03:40,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:40,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:40,241 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:40,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:40,447 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:40,448 INFO L82 PathProgramCache]: Analyzing trace with hash -849129300, now seen corresponding path program 44 times [2021-04-29 08:03:40,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:40,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467475134] [2021-04-29 08:03:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:40,474 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:03:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:40,497 INFO L142 QuantifierPusher]: treesize reduction 32, result has 63.2 percent of original size [2021-04-29 08:03:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:03:40,558 INFO L142 QuantifierPusher]: treesize reduction 66, result has 54.2 percent of original size [2021-04-29 08:03:40,559 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 75 [2021-04-29 08:03:40,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 08:03:40,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:40,655 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-04-29 08:03:40,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:40,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:03:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:40,701 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:03:40,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:40,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467475134] [2021-04-29 08:03:40,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416768842] [2021-04-29 08:03:40,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:41,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:03:41,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:03:41,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:03:41,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,036 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-04-29 08:03:41,037 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 08:03:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:03:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:03:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:03:41,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,058 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size 29 [2021-04-29 08:03:41,059 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size [2021-04-29 08:03:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:41,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:41,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,085 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size [2021-04-29 08:03:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,129 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 08:03:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:41,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:41,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:41,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:41,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:41,165 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 39 [2021-04-29 08:03:41,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-04-29 08:03:41,167 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:03:41,167 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:41,168 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,169 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:41,169 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,170 INFO L142 QuantifierPusher]: treesize reduction 19, result has 60.4 percent of original size [2021-04-29 08:03:41,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:41,172 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:03:41,172 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:41,174 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,176 INFO L147 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size 32 [2021-04-29 08:03:41,177 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-04-29 08:03:41,178 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-04-29 08:03:41,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 08:03:41,218 INFO L628 ElimStorePlain]: treesize reduction 24, result has 42.9 percent of original size [2021-04-29 08:03:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:41,221 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,223 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:03:41,224 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:03:41,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:41,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-04-29 08:03:41,225 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:03:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:41,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:03:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:41,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,264 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:41,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:41,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-04-29 08:03:41,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:41,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:41,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:41,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:41,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:41,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:41,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:03:41,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272455660] [2021-04-29 08:03:41,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:03:41,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:41,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:03:41,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:03:41,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:03:41,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1827 transitions, 60588 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:41,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:41,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:03:41,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:48,337 INFO L129 PetriNetUnfolder]: 1865/4955 cut-off events. [2021-04-29 08:03:48,338 INFO L130 PetriNetUnfolder]: For 300990/300996 co-relation queries the response was YES. [2021-04-29 08:03:48,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68544 conditions, 4955 events. 1865/4955 cut-off events. For 300990/300996 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 51069 event pairs, 78 based on Foata normal form. 10/4965 useless extension candidates. Maximal degree in co-relation 68216. Up to 3365 conditions per place. [2021-04-29 08:03:48,469 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1546 selfloop transitions, 409 changer transitions 1/1962 dead transitions. [2021-04-29 08:03:48,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 1962 transitions, 68972 flow [2021-04-29 08:03:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:03:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:03:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 315 transitions. [2021-04-29 08:03:48,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4632352941176471 [2021-04-29 08:03:48,471 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 315 transitions. [2021-04-29 08:03:48,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 315 transitions. [2021-04-29 08:03:48,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:48,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 315 transitions. [2021-04-29 08:03:48,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.529411764705884) internal successors, (315), 17 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:48,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:48,473 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:48,473 INFO L185 Difference]: Start difference. First operand has 661 places, 1827 transitions, 60588 flow. Second operand 17 states and 315 transitions. [2021-04-29 08:03:48,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 1962 transitions, 68972 flow [2021-04-29 08:03:54,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 1962 transitions, 68651 flow, removed 133 selfloop flow, removed 8 redundant places. [2021-04-29 08:03:54,379 INFO L241 Difference]: Finished difference. Result has 674 places, 1920 transitions, 64534 flow [2021-04-29 08:03:54,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=60267, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=323, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=64534, PETRI_PLACES=674, PETRI_TRANSITIONS=1920} [2021-04-29 08:03:54,381 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 643 predicate places. [2021-04-29 08:03:54,381 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:54,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 1920 transitions, 64534 flow [2021-04-29 08:03:54,382 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 1920 transitions, 64534 flow [2021-04-29 08:03:54,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 1920 transitions, 64534 flow [2021-04-29 08:03:56,929 INFO L129 PetriNetUnfolder]: 1726/4704 cut-off events. [2021-04-29 08:03:56,929 INFO L130 PetriNetUnfolder]: For 296053/296300 co-relation queries the response was YES. [2021-04-29 08:03:57,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63296 conditions, 4704 events. 1726/4704 cut-off events. For 296053/296300 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 49168 event pairs, 1 based on Foata normal form. 30/4720 useless extension candidates. Maximal degree in co-relation 62967. Up to 836 conditions per place. [2021-04-29 08:03:57,092 INFO L146 LiptonReduction]: Number of co-enabled transitions 2258 [2021-04-29 08:03:57,711 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:57,711 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:57,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3330 [2021-04-29 08:03:57,711 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 1920 transitions, 64534 flow [2021-04-29 08:03:57,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:57,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:57,712 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:57,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-04-29 08:03:57,919 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:57,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:57,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1790793866, now seen corresponding path program 45 times [2021-04-29 08:03:57,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:57,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10066477] [2021-04-29 08:03:57,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:57,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-04-29 08:03:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:57,969 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-04-29 08:03:57,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:03:58,000 INFO L142 QuantifierPusher]: treesize reduction 39, result has 35.0 percent of original size [2021-04-29 08:03:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:58,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:03:58,039 INFO L142 QuantifierPusher]: treesize reduction 11, result has 64.5 percent of original size [2021-04-29 08:03:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:58,060 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:03:58,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,080 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-29 08:03:58,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:58,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10066477] [2021-04-29 08:03:58,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400890682] [2021-04-29 08:03:58,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:58,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 08:03:58,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:03:58,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:03:58,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:58,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,160 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-04-29 08:03:58,160 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 08:03:58,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:58,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:58,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:58,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,185 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size 37 [2021-04-29 08:03:58,186 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size [2021-04-29 08:03:58,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:58,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:58,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,215 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-04-29 08:03:58,215 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 08:03:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:58,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:58,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,241 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-04-29 08:03:58,241 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:03:58,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:58,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:03:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:58,268 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-04-29 08:03:58,269 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:03:58,270 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:03:58,270 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:58,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,271 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:03:58,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:58,272 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,274 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:58,275 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:58,276 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-04-29 08:03:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:58,278 INFO L147 QuantifierPusher]: treesize reduction 25, result has 46.8 percent of original size 22 [2021-04-29 08:03:58,279 INFO L142 QuantifierPusher]: treesize reduction 25, result has 46.8 percent of original size [2021-04-29 08:03:58,280 INFO L147 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size 8 [2021-04-29 08:03:58,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 08:03:58,300 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-04-29 08:03:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:58,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:15 [2021-04-29 08:03:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:58,331 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:03:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:58,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:58,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:58,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:58,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:58,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:58,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:03:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:03:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:58,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:58,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:03:58,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986350604] [2021-04-29 08:03:58,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:03:58,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:58,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:03:58,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:03:58,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:03:58,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 1920 transitions, 64534 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:58,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:58,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:03:58,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:06,275 INFO L129 PetriNetUnfolder]: 1963/5226 cut-off events. [2021-04-29 08:04:06,275 INFO L130 PetriNetUnfolder]: For 335604/335616 co-relation queries the response was YES. [2021-04-29 08:04:06,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73074 conditions, 5226 events. 1963/5226 cut-off events. For 335604/335616 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 54401 event pairs, 71 based on Foata normal form. 18/5244 useless extension candidates. Maximal degree in co-relation 72739. Up to 3667 conditions per place. [2021-04-29 08:04:06,417 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1768 selfloop transitions, 273 changer transitions 20/2067 dead transitions. [2021-04-29 08:04:06,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 2067 transitions, 72606 flow [2021-04-29 08:04:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:04:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:04:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 372 transitions. [2021-04-29 08:04:06,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.465 [2021-04-29 08:04:06,420 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 372 transitions. [2021-04-29 08:04:06,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 372 transitions. [2021-04-29 08:04:06,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:06,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 372 transitions. [2021-04-29 08:04:06,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 18.6) internal successors, (372), 20 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:06,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:06,421 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:06,421 INFO L185 Difference]: Start difference. First operand has 674 places, 1920 transitions, 64534 flow. Second operand 20 states and 372 transitions. [2021-04-29 08:04:06,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 2067 transitions, 72606 flow [2021-04-29 08:04:12,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 2067 transitions, 71694 flow, removed 268 selfloop flow, removed 11 redundant places. [2021-04-29 08:04:12,864 INFO L241 Difference]: Finished difference. Result has 692 places, 2011 transitions, 67086 flow [2021-04-29 08:04:12,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=63658, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1920, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=67086, PETRI_PLACES=692, PETRI_TRANSITIONS=2011} [2021-04-29 08:04:12,866 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 661 predicate places. [2021-04-29 08:04:12,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:04:12,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 692 places, 2011 transitions, 67086 flow [2021-04-29 08:04:12,866 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 692 places, 2011 transitions, 67086 flow [2021-04-29 08:04:12,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 692 places, 2011 transitions, 67086 flow [2021-04-29 08:04:15,588 INFO L129 PetriNetUnfolder]: 1811/4946 cut-off events. [2021-04-29 08:04:15,588 INFO L130 PetriNetUnfolder]: For 316024/316300 co-relation queries the response was YES. [2021-04-29 08:04:15,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66890 conditions, 4946 events. 1811/4946 cut-off events. For 316024/316300 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 52181 event pairs, 2 based on Foata normal form. 34/4967 useless extension candidates. Maximal degree in co-relation 66551. Up to 879 conditions per place. [2021-04-29 08:04:15,769 INFO L146 LiptonReduction]: Number of co-enabled transitions 2334 [2021-04-29 08:04:16,431 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:04:16,432 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:04:16,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3566 [2021-04-29 08:04:16,432 INFO L480 AbstractCegarLoop]: Abstraction has has 692 places, 2011 transitions, 67086 flow [2021-04-29 08:04:16,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:16,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:04:16,433 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:04:16,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:16,640 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:04:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:04:16,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2137943216, now seen corresponding path program 19 times [2021-04-29 08:04:16,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:04:16,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476814488] [2021-04-29 08:04:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:04:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:16,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:04:16,672 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-04-29 08:04:16,672 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-04-29 08:04:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:04:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:04:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:04:16,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:04:16,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:16,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476814488] [2021-04-29 08:04:16,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134488276] [2021-04-29 08:04:16,792 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:16,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:04:16,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:04:16,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:16,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:16,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,851 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size 28 [2021-04-29 08:04:16,852 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:04:16,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:16,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,886 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:04:16,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:16,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:16,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,931 INFO L142 QuantifierPusher]: treesize reduction 11, result has 85.7 percent of original size [2021-04-29 08:04:16,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,973 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-04-29 08:04:16,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 08:04:16,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 08:04:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-29 08:04:16,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:16,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:16,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:04:17,037 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-04-29 08:04:17,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:17,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 08:04:17,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:04:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 08:04:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-29 08:04:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 08:04:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 08:04:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 08:04:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 08:04:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 08:04:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 08:04:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,121 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-04-29 08:04:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:04:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:04:17,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:04:17,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:04:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:04:17,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:17,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:04:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:17,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:17,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:04:17,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:17,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:17,140 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:04:17,315 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-04-29 08:04:17,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:17,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:17,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:04:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:17,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:04:17,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 08:04:17,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798522840] [2021-04-29 08:04:17,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:04:17,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:04:17,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:04:17,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:04:17,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2021-04-29 08:04:17,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 2011 transitions, 67086 flow. Second operand has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:17,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:04:17,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2021-04-29 08:04:17,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:25,204 INFO L129 PetriNetUnfolder]: 1976/5246 cut-off events. [2021-04-29 08:04:25,205 INFO L130 PetriNetUnfolder]: For 336046/336058 co-relation queries the response was YES. [2021-04-29 08:04:25,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74058 conditions, 5246 events. 1976/5246 cut-off events. For 336046/336058 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 54626 event pairs, 79 based on Foata normal form. 10/5256 useless extension candidates. Maximal degree in co-relation 73713. Up to 3907 conditions per place. [2021-04-29 08:04:25,352 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1888 selfloop transitions, 163 changer transitions 4/2061 dead transitions. [2021-04-29 08:04:25,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 2061 transitions, 72593 flow [2021-04-29 08:04:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:04:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:04:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 339 transitions. [2021-04-29 08:04:25,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4708333333333333 [2021-04-29 08:04:25,355 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 339 transitions. [2021-04-29 08:04:25,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 339 transitions. [2021-04-29 08:04:25,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:25,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 339 transitions. [2021-04-29 08:04:25,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 18.833333333333332) internal successors, (339), 18 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:25,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:25,356 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:25,356 INFO L185 Difference]: Start difference. First operand has 692 places, 2011 transitions, 67086 flow. Second operand 18 states and 339 transitions. [2021-04-29 08:04:25,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 2061 transitions, 72593 flow [2021-04-29 08:04:32,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 2061 transitions, 71933 flow, removed 280 selfloop flow, removed 7 redundant places. [2021-04-29 08:04:32,555 INFO L241 Difference]: Finished difference. Result has 706 places, 2037 transitions, 67778 flow [2021-04-29 08:04:32,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=66427, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1851, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=67778, PETRI_PLACES=706, PETRI_TRANSITIONS=2037} [2021-04-29 08:04:32,557 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 675 predicate places. [2021-04-29 08:04:32,557 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:04:32,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 706 places, 2037 transitions, 67778 flow [2021-04-29 08:04:32,557 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 706 places, 2037 transitions, 67778 flow [2021-04-29 08:04:32,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 706 places, 2037 transitions, 67778 flow [2021-04-29 08:04:35,207 INFO L129 PetriNetUnfolder]: 1828/4992 cut-off events. [2021-04-29 08:04:35,208 INFO L130 PetriNetUnfolder]: For 322868/323193 co-relation queries the response was YES. [2021-04-29 08:04:35,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67458 conditions, 4992 events. 1828/4992 cut-off events. For 322868/323193 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 52942 event pairs, 2 based on Foata normal form. 46/5022 useless extension candidates. Maximal degree in co-relation 67115. Up to 849 conditions per place. [2021-04-29 08:04:35,392 INFO L146 LiptonReduction]: Number of co-enabled transitions 2360 [2021-04-29 08:04:36,060 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:04:36,060 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:04:36,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3503 [2021-04-29 08:04:36,060 INFO L480 AbstractCegarLoop]: Abstraction has has 706 places, 2037 transitions, 67778 flow [2021-04-29 08:04:36,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:36,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:04:36,061 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:04:36,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-04-29 08:04:36,261 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:04:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:04:36,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1041536920, now seen corresponding path program 46 times [2021-04-29 08:04:36,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:04:36,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762654081] [2021-04-29 08:04:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:04:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:36,287 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:04:36,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:36,309 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-04-29 08:04:36,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 08:04:36,382 INFO L142 QuantifierPusher]: treesize reduction 62, result has 56.3 percent of original size [2021-04-29 08:04:36,383 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-04-29 08:04:36,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 08:04:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:36,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:36,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:04:36,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:04:36,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:04:36,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:36,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762654081] [2021-04-29 08:04:36,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777227625] [2021-04-29 08:04:36,551 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:36,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:04:36,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:04:36,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:04:36,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:04:36,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,898 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-04-29 08:04:36,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:36,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:36,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:36,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:36,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,945 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 08:04:36,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:04:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:36,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:36,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 08:04:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:04:36,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:36,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:36,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:36,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:37,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,009 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 08:04:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:37,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:37,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:37,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:37,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:37,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:37,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:37,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:37,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:37,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:37,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:04:37,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:37,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:37,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:04:37,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:37,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:37,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:04:37,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:37,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:37,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:37,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:37,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:04:37,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:04:37,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053950550] [2021-04-29 08:04:37,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:04:37,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:04:37,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:04:37,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:04:37,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:04:37,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 2037 transitions, 67778 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:37,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:04:37,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:04:37,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:38,342 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-04-29 08:04:45,147 INFO L129 PetriNetUnfolder]: 1980/5272 cut-off events. [2021-04-29 08:04:45,147 INFO L130 PetriNetUnfolder]: For 338863/338889 co-relation queries the response was YES. [2021-04-29 08:04:45,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74131 conditions, 5272 events. 1980/5272 cut-off events. For 338863/338889 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 54937 event pairs, 81 based on Foata normal form. 27/5299 useless extension candidates. Maximal degree in co-relation 73782. Up to 3905 conditions per place. [2021-04-29 08:04:45,302 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1891 selfloop transitions, 161 changer transitions 7/2065 dead transitions. [2021-04-29 08:04:45,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 2065 transitions, 72804 flow [2021-04-29 08:04:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 08:04:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 08:04:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 269 transitions. [2021-04-29 08:04:45,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4483333333333333 [2021-04-29 08:04:45,304 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 269 transitions. [2021-04-29 08:04:45,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 269 transitions. [2021-04-29 08:04:45,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:45,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 269 transitions. [2021-04-29 08:04:45,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.933333333333334) internal successors, (269), 15 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:45,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:45,305 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:45,305 INFO L185 Difference]: Start difference. First operand has 706 places, 2037 transitions, 67778 flow. Second operand 15 states and 269 transitions. [2021-04-29 08:04:45,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 2065 transitions, 72804 flow [2021-04-29 08:04:52,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 2065 transitions, 72655 flow, removed 37 selfloop flow, removed 7 redundant places. [2021-04-29 08:04:52,310 INFO L241 Difference]: Finished difference. Result has 715 places, 2048 transitions, 68408 flow [2021-04-29 08:04:52,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=67629, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2037, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=68408, PETRI_PLACES=715, PETRI_TRANSITIONS=2048} [2021-04-29 08:04:52,312 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 684 predicate places. [2021-04-29 08:04:52,312 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:04:52,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 715 places, 2048 transitions, 68408 flow [2021-04-29 08:04:52,312 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 715 places, 2048 transitions, 68408 flow [2021-04-29 08:04:52,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 715 places, 2048 transitions, 68408 flow [2021-04-29 08:04:55,095 INFO L129 PetriNetUnfolder]: 1828/4999 cut-off events. [2021-04-29 08:04:55,096 INFO L130 PetriNetUnfolder]: For 329838/330163 co-relation queries the response was YES. [2021-04-29 08:04:55,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67867 conditions, 4999 events. 1828/4999 cut-off events. For 329838/330163 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 53060 event pairs, 2 based on Foata normal form. 46/5031 useless extension candidates. Maximal degree in co-relation 67521. Up to 849 conditions per place. [2021-04-29 08:04:55,281 INFO L146 LiptonReduction]: Number of co-enabled transitions 2374 [2021-04-29 08:04:55,976 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:04:55,977 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:04:55,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3665 [2021-04-29 08:04:55,977 INFO L480 AbstractCegarLoop]: Abstraction has has 715 places, 2048 transitions, 68408 flow [2021-04-29 08:04:55,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:55,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:04:55,977 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:04:56,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-04-29 08:04:56,178 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:04:56,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:04:56,179 INFO L82 PathProgramCache]: Analyzing trace with hash -805584298, now seen corresponding path program 47 times [2021-04-29 08:04:56,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:04:56,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848513382] [2021-04-29 08:04:56,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:04:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:56,202 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-04-29 08:04:56,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:56,226 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-04-29 08:04:56,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 08:04:56,291 INFO L142 QuantifierPusher]: treesize reduction 62, result has 56.3 percent of original size [2021-04-29 08:04:56,292 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-04-29 08:04:56,352 INFO L142 QuantifierPusher]: treesize reduction 82, result has 31.7 percent of original size [2021-04-29 08:04:56,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:04:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:56,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:04:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:04:56,420 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:04:56,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:56,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848513382] [2021-04-29 08:04:56,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964703398] [2021-04-29 08:04:56,435 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:56,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:04:56,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:04:56,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:04:56,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:04:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,492 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:04:56,493 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 08:04:56,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:04:56,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:56,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:56,565 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 08:04:56,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:56,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:56,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,601 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-04-29 08:04:56,602 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 08:04:56,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:56,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,642 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 08:04:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:56,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:56,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:56,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:56,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:56,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:56,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:56,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:04:56,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:04:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:04:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:56,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:56,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:56,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:04:56,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:56,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:04:56,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:56,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:56,673 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:04:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:56,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:04:56,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:04:56,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181190231] [2021-04-29 08:04:56,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:04:56,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:04:56,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:04:56,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:04:56,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:04:56,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 2048 transitions, 68408 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:56,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:04:56,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:04:56,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:56,962 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2021-04-29 08:04:57,461 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-04-29 08:05:05,385 INFO L129 PetriNetUnfolder]: 1978/5264 cut-off events. [2021-04-29 08:05:05,386 INFO L130 PetriNetUnfolder]: For 345536/345562 co-relation queries the response was YES. [2021-04-29 08:05:05,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74387 conditions, 5264 events. 1978/5264 cut-off events. For 345536/345562 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 54805 event pairs, 77 based on Foata normal form. 30/5294 useless extension candidates. Maximal degree in co-relation 74035. Up to 3880 conditions per place. [2021-04-29 08:05:05,538 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1875 selfloop transitions, 175 changer transitions 4/2060 dead transitions. [2021-04-29 08:05:05,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 2060 transitions, 72855 flow [2021-04-29 08:05:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:05:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:05:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 281 transitions. [2021-04-29 08:05:05,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4390625 [2021-04-29 08:05:05,539 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 281 transitions. [2021-04-29 08:05:05,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 281 transitions. [2021-04-29 08:05:05,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:05:05,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 281 transitions. [2021-04-29 08:05:05,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.5625) internal successors, (281), 16 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:05,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:05,540 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:05,540 INFO L185 Difference]: Start difference. First operand has 715 places, 2048 transitions, 68408 flow. Second operand 16 states and 281 transitions. [2021-04-29 08:05:05,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 2060 transitions, 72855 flow [2021-04-29 08:05:12,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 2060 transitions, 72528 flow, removed 38 selfloop flow, removed 11 redundant places. [2021-04-29 08:05:12,728 INFO L241 Difference]: Finished difference. Result has 721 places, 2048 transitions, 68495 flow [2021-04-29 08:05:12,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=68083, PETRI_DIFFERENCE_MINUEND_PLACES=704, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=68495, PETRI_PLACES=721, PETRI_TRANSITIONS=2048} [2021-04-29 08:05:12,730 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 690 predicate places. [2021-04-29 08:05:12,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:05:12,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 721 places, 2048 transitions, 68495 flow [2021-04-29 08:05:12,731 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 721 places, 2048 transitions, 68495 flow [2021-04-29 08:05:12,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 721 places, 2048 transitions, 68495 flow [2021-04-29 08:05:16,073 INFO L129 PetriNetUnfolder]: 1830/4998 cut-off events. [2021-04-29 08:05:16,073 INFO L130 PetriNetUnfolder]: For 335986/336290 co-relation queries the response was YES. [2021-04-29 08:05:16,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68016 conditions, 4998 events. 1830/4998 cut-off events. For 335986/336290 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 52886 event pairs, 1 based on Foata normal form. 43/5026 useless extension candidates. Maximal degree in co-relation 67671. Up to 846 conditions per place. [2021-04-29 08:05:16,258 INFO L146 LiptonReduction]: Number of co-enabled transitions 2374 [2021-04-29 08:05:16,945 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:05:16,946 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:05:16,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4216 [2021-04-29 08:05:16,946 INFO L480 AbstractCegarLoop]: Abstraction has has 721 places, 2048 transitions, 68495 flow [2021-04-29 08:05:16,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:16,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:05:16,946 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:05:17,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:17,147 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:05:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:05:17,148 INFO L82 PathProgramCache]: Analyzing trace with hash -416083826, now seen corresponding path program 20 times [2021-04-29 08:05:17,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:05:17,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525022614] [2021-04-29 08:05:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:05:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:17,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:17,189 INFO L142 QuantifierPusher]: treesize reduction 82, result has 44.6 percent of original size [2021-04-29 08:05:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:05:17,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:05:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:05:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:05:17,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:05:17,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:17,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525022614] [2021-04-29 08:05:17,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641475838] [2021-04-29 08:05:17,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:17,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:05:17,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:05:17,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 08:05:17,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:05:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,512 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-04-29 08:05:17,512 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:05:17,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:17,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:17,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:17,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:17,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:17,579 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 08:05:17,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:17,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,617 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.3 percent of original size 42 [2021-04-29 08:05:17,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size [2021-04-29 08:05:17,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,619 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-04-29 08:05:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:05:17,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:05:17,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:17,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:17,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:17,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:17,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:17,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:05:17,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:17,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:17,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:05:17,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:17,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:05:17,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:05:17,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:17,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:17,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:17,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:05:17,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:05:17,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598996622] [2021-04-29 08:05:17,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:05:17,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:05:17,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:05:17,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:05:17,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:05:17,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 2048 transitions, 68495 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:17,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:05:17,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:05:17,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:05:25,671 INFO L129 PetriNetUnfolder]: 1985/5260 cut-off events. [2021-04-29 08:05:25,671 INFO L130 PetriNetUnfolder]: For 351840/351852 co-relation queries the response was YES. [2021-04-29 08:05:25,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74731 conditions, 5260 events. 1985/5260 cut-off events. For 351840/351852 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 54703 event pairs, 76 based on Foata normal form. 14/5274 useless extension candidates. Maximal degree in co-relation 74392. Up to 3946 conditions per place. [2021-04-29 08:05:25,818 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1906 selfloop transitions, 150 changer transitions 0/2062 dead transitions. [2021-04-29 08:05:25,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 2062 transitions, 72924 flow [2021-04-29 08:05:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:05:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:05:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 303 transitions. [2021-04-29 08:05:25,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4455882352941177 [2021-04-29 08:05:25,820 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 303 transitions. [2021-04-29 08:05:25,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 303 transitions. [2021-04-29 08:05:25,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:05:25,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 303 transitions. [2021-04-29 08:05:25,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 17.823529411764707) internal successors, (303), 17 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:25,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:25,821 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:25,821 INFO L185 Difference]: Start difference. First operand has 721 places, 2048 transitions, 68495 flow. Second operand 17 states and 303 transitions. [2021-04-29 08:05:25,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 2062 transitions, 72924 flow [2021-04-29 08:05:32,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 2062 transitions, 72707 flow, removed 24 selfloop flow, removed 11 redundant places. [2021-04-29 08:05:32,914 INFO L241 Difference]: Finished difference. Result has 726 places, 2056 transitions, 68884 flow [2021-04-29 08:05:32,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=68269, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1897, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=68884, PETRI_PLACES=726, PETRI_TRANSITIONS=2056} [2021-04-29 08:05:32,915 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 695 predicate places. [2021-04-29 08:05:32,915 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:05:32,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 2056 transitions, 68884 flow [2021-04-29 08:05:32,916 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 2056 transitions, 68884 flow [2021-04-29 08:05:32,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 2056 transitions, 68884 flow [2021-04-29 08:05:35,824 INFO L129 PetriNetUnfolder]: 1838/5008 cut-off events. [2021-04-29 08:05:35,824 INFO L130 PetriNetUnfolder]: For 336262/336560 co-relation queries the response was YES. [2021-04-29 08:05:35,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68273 conditions, 5008 events. 1838/5008 cut-off events. For 336262/336560 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 53014 event pairs, 1 based on Foata normal form. 39/5032 useless extension candidates. Maximal degree in co-relation 67826. Up to 848 conditions per place. [2021-04-29 08:05:36,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 2376 [2021-04-29 08:05:36,716 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:05:36,716 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:05:36,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3801 [2021-04-29 08:05:36,716 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 2056 transitions, 68884 flow [2021-04-29 08:05:36,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:36,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:05:36,717 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:05:36,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:36,917 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:05:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:05:36,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1217296988, now seen corresponding path program 21 times [2021-04-29 08:05:36,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:05:36,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598998277] [2021-04-29 08:05:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:05:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:36,935 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 08:05:36,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:05:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:36,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:05:36,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:36,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:05:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:05:37,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:05:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:37,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598998277] [2021-04-29 08:05:37,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478632542] [2021-04-29 08:05:37,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:37,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 08:05:37,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:05:37,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:05:37,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:05:37,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,107 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:05:37,107 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 08:05:37,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:37,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:37,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:37,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:05:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:37,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:37,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:37,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,163 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-04-29 08:05:37,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:37,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:37,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:37,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:05:37,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:05:37,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:37,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:37,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:37,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:05:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:37,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:05:37,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:37,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:05:37,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:05:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:37,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:05:37,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:05:37,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838208138] [2021-04-29 08:05:37,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:05:37,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:05:37,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:05:37,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:05:37,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:05:37,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 2056 transitions, 68884 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:37,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:05:37,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:05:37,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:05:45,395 INFO L129 PetriNetUnfolder]: 2074/5427 cut-off events. [2021-04-29 08:05:45,395 INFO L130 PetriNetUnfolder]: For 367921/367927 co-relation queries the response was YES. [2021-04-29 08:05:45,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77265 conditions, 5427 events. 2074/5427 cut-off events. For 367921/367927 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 56226 event pairs, 76 based on Foata normal form. 10/5437 useless extension candidates. Maximal degree in co-relation 76877. Up to 4070 conditions per place. [2021-04-29 08:05:45,544 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2029 selfloop transitions, 114 changer transitions 0/2149 dead transitions. [2021-04-29 08:05:45,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 2149 transitions, 75719 flow [2021-04-29 08:05:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:05:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:05:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 205 transitions. [2021-04-29 08:05:45,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4659090909090909 [2021-04-29 08:05:45,545 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 205 transitions. [2021-04-29 08:05:45,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 205 transitions. [2021-04-29 08:05:45,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:05:45,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 205 transitions. [2021-04-29 08:05:45,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.636363636363637) internal successors, (205), 11 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:45,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:45,546 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:45,547 INFO L185 Difference]: Start difference. First operand has 726 places, 2056 transitions, 68884 flow. Second operand 11 states and 205 transitions. [2021-04-29 08:05:45,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 2149 transitions, 75719 flow [2021-04-29 08:05:52,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 2149 transitions, 75449 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-04-29 08:05:53,059 INFO L241 Difference]: Finished difference. Result has 730 places, 2130 transitions, 71118 flow [2021-04-29 08:05:53,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=68634, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=71118, PETRI_PLACES=730, PETRI_TRANSITIONS=2130} [2021-04-29 08:05:53,060 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 699 predicate places. [2021-04-29 08:05:53,060 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:05:53,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 730 places, 2130 transitions, 71118 flow [2021-04-29 08:05:53,060 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 730 places, 2130 transitions, 71118 flow [2021-04-29 08:05:53,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 730 places, 2130 transitions, 71118 flow [2021-04-29 08:05:55,825 INFO L129 PetriNetUnfolder]: 1917/5163 cut-off events. [2021-04-29 08:05:55,825 INFO L130 PetriNetUnfolder]: For 362819/363146 co-relation queries the response was YES. [2021-04-29 08:05:55,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71069 conditions, 5163 events. 1917/5163 cut-off events. For 362819/363146 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 54418 event pairs, 2 based on Foata normal form. 51/5199 useless extension candidates. Maximal degree in co-relation 70616. Up to 865 conditions per place. [2021-04-29 08:05:56,351 INFO L146 LiptonReduction]: Number of co-enabled transitions 2426 [2021-04-29 08:05:57,059 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:05:57,059 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:05:57,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4000 [2021-04-29 08:05:57,060 INFO L480 AbstractCegarLoop]: Abstraction has has 730 places, 2130 transitions, 71118 flow [2021-04-29 08:05:57,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:57,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:05:57,060 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:05:57,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-04-29 08:05:57,261 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:05:57,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:05:57,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1367971924, now seen corresponding path program 22 times [2021-04-29 08:05:57,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:05:57,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857644399] [2021-04-29 08:05:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:05:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:57,276 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 08:05:57,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:05:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:57,301 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-04-29 08:05:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:05:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:05:57,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:05:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:57,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857644399] [2021-04-29 08:05:57,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994629565] [2021-04-29 08:05:57,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:57,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:05:57,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:05:57,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:05:57,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:05:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,461 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:05:57,461 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 08:05:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:57,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:05:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:05:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:05:57,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:05:57,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,529 INFO L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-04-29 08:05:57,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-04-29 08:05:57,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:57,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:57,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:57,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 08:05:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:57,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:57,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:05:57,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:05:57,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:05:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:57,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:57,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:05:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:57,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:05:57,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:57,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:05:57,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:05:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:57,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:05:57,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:05:57,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402661221] [2021-04-29 08:05:57,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:05:57,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:05:57,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:05:57,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:05:57,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:05:57,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 730 places, 2130 transitions, 71118 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:57,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:05:57,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:05:57,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:06,555 INFO L129 PetriNetUnfolder]: 2100/5497 cut-off events. [2021-04-29 08:06:06,556 INFO L130 PetriNetUnfolder]: For 385856/385913 co-relation queries the response was YES. [2021-04-29 08:06:06,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78920 conditions, 5497 events. 2100/5497 cut-off events. For 385856/385913 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 57085 event pairs, 81 based on Foata normal form. 49/5546 useless extension candidates. Maximal degree in co-relation 78527. Up to 4182 conditions per place. [2021-04-29 08:06:06,711 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2094 selfloop transitions, 64 changer transitions 0/2164 dead transitions. [2021-04-29 08:06:06,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 2164 transitions, 76646 flow [2021-04-29 08:06:06,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:06:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:06:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-04-29 08:06:06,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4575 [2021-04-29 08:06:06,712 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-04-29 08:06:06,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-04-29 08:06:06,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:06,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-04-29 08:06:06,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:06,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:06,713 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:06,713 INFO L185 Difference]: Start difference. First operand has 730 places, 2130 transitions, 71118 flow. Second operand 10 states and 183 transitions. [2021-04-29 08:06:06,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 2164 transitions, 76646 flow [2021-04-29 08:06:14,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 735 places, 2164 transitions, 75817 flow, removed 404 selfloop flow, removed 4 redundant places. [2021-04-29 08:06:14,533 INFO L241 Difference]: Finished difference. Result has 739 places, 2156 transitions, 71445 flow [2021-04-29 08:06:14,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=70289, PETRI_DIFFERENCE_MINUEND_PLACES=726, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2069, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=71445, PETRI_PLACES=739, PETRI_TRANSITIONS=2156} [2021-04-29 08:06:14,534 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 708 predicate places. [2021-04-29 08:06:14,534 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:14,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 739 places, 2156 transitions, 71445 flow [2021-04-29 08:06:14,535 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 739 places, 2156 transitions, 71445 flow [2021-04-29 08:06:14,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 2156 transitions, 71445 flow [2021-04-29 08:06:17,648 INFO L129 PetriNetUnfolder]: 1936/5216 cut-off events. [2021-04-29 08:06:17,648 INFO L130 PetriNetUnfolder]: For 369727/370072 co-relation queries the response was YES. [2021-04-29 08:06:17,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71797 conditions, 5216 events. 1936/5216 cut-off events. For 369727/370072 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 55122 event pairs, 2 based on Foata normal form. 50/5252 useless extension candidates. Maximal degree in co-relation 71338. Up to 875 conditions per place. [2021-04-29 08:06:17,845 INFO L146 LiptonReduction]: Number of co-enabled transitions 2468 [2021-04-29 08:06:18,594 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:18,595 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:18,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4061 [2021-04-29 08:06:18,595 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 2156 transitions, 71445 flow [2021-04-29 08:06:18,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:18,595 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:18,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-04-29 08:06:18,796 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:18,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:18,796 INFO L82 PathProgramCache]: Analyzing trace with hash 720901058, now seen corresponding path program 23 times [2021-04-29 08:06:18,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:18,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297488107] [2021-04-29 08:06:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:18,812 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 08:06:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:18,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:06:18,838 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-04-29 08:06:18,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:06:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:18,899 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:18,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:06:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:18,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297488107] [2021-04-29 08:06:18,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16040355] [2021-04-29 08:06:18,927 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:06:18,963 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 08:06:18,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:06:18,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:06:18,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:06:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:18,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,993 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-04-29 08:06:18,994 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-04-29 08:06:18,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:18,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:18,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,027 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 08:06:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:06:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:06:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:06:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:06:19,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:19,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:19,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:19,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:19,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:06:19,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:06:19,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:06:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:06:19,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:19,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:19,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:06:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:06:19,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:06:19,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:06:19,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:19,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:06:19,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:19,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:06:19,156 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:06:19,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:19,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:19,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:19,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:19,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:06:19,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:06:19,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37296585] [2021-04-29 08:06:19,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:19,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:19,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:19,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:19,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:06:19,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 2156 transitions, 71445 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:19,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:19,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:06:19,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:28,023 INFO L129 PetriNetUnfolder]: 2131/5572 cut-off events. [2021-04-29 08:06:28,023 INFO L130 PetriNetUnfolder]: For 398202/398204 co-relation queries the response was YES. [2021-04-29 08:06:28,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80010 conditions, 5572 events. 2131/5572 cut-off events. For 398202/398204 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 57988 event pairs, 78 based on Foata normal form. 6/5578 useless extension candidates. Maximal degree in co-relation 79612. Up to 4203 conditions per place. [2021-04-29 08:06:28,184 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2083 selfloop transitions, 103 changer transitions 0/2192 dead transitions. [2021-04-29 08:06:28,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 2192 transitions, 77006 flow [2021-04-29 08:06:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:06:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:06:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 218 transitions. [2021-04-29 08:06:28,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45416666666666666 [2021-04-29 08:06:28,185 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 218 transitions. [2021-04-29 08:06:28,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 218 transitions. [2021-04-29 08:06:28,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:28,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 218 transitions. [2021-04-29 08:06:28,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,186 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,186 INFO L185 Difference]: Start difference. First operand has 739 places, 2156 transitions, 71445 flow. Second operand 12 states and 218 transitions. [2021-04-29 08:06:28,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 2192 transitions, 77006 flow [2021-04-29 08:06:36,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 747 places, 2192 transitions, 76541 flow, removed 222 selfloop flow, removed 3 redundant places. [2021-04-29 08:06:36,407 INFO L241 Difference]: Finished difference. Result has 749 places, 2180 transitions, 72119 flow [2021-04-29 08:06:36,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=71009, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=72119, PETRI_PLACES=749, PETRI_TRANSITIONS=2180} [2021-04-29 08:06:36,409 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 718 predicate places. [2021-04-29 08:06:36,409 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:36,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 2180 transitions, 72119 flow [2021-04-29 08:06:36,409 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 2180 transitions, 72119 flow [2021-04-29 08:06:36,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 2180 transitions, 72119 flow [2021-04-29 08:06:39,510 INFO L129 PetriNetUnfolder]: 1968/5287 cut-off events. [2021-04-29 08:06:39,510 INFO L130 PetriNetUnfolder]: For 388990/389351 co-relation queries the response was YES. [2021-04-29 08:06:39,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73204 conditions, 5287 events. 1968/5287 cut-off events. For 388990/389351 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55936 event pairs, 2 based on Foata normal form. 60/5332 useless extension candidates. Maximal degree in co-relation 72741. Up to 887 conditions per place. [2021-04-29 08:06:39,717 INFO L146 LiptonReduction]: Number of co-enabled transitions 2476 [2021-04-29 08:06:40,525 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:40,525 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:40,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4116 [2021-04-29 08:06:40,526 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 2180 transitions, 72119 flow [2021-04-29 08:06:40,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:40,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:40,526 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:40,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-04-29 08:06:40,727 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:40,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1790908494, now seen corresponding path program 48 times [2021-04-29 08:06:40,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:40,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764741355] [2021-04-29 08:06:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:40,749 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-04-29 08:06:40,750 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-04-29 08:06:40,780 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 08:06:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:06:40,809 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-04-29 08:06:40,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:06:40,838 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.9 percent of original size [2021-04-29 08:06:40,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:06:40,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:40,886 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:40,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:40,902 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-29 08:06:40,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:40,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764741355] [2021-04-29 08:06:40,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401899144] [2021-04-29 08:06:40,916 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:06:40,950 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:06:40,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:06:40,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:06:40,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:06:40,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:06:40,982 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-04-29 08:06:40,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:40,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:40,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:40,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:40,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:40,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:41,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:06:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,089 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 08:06:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:06:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:06:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:06:41,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:06:41,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:41,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:06:41,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:06:41,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:06:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:06:41,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-04-29 08:06:41,128 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:06:41,129 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:06:41,129 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:06:41,130 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,131 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:06:41,132 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,133 INFO L142 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size [2021-04-29 08:06:41,136 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size 22 [2021-04-29 08:06:41,136 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:06:41,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:06:41,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:06:41,142 INFO L147 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size 31 [2021-04-29 08:06:41,143 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-04-29 08:06:41,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:06:41,147 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 3 xjuncts. [2021-04-29 08:06:41,177 INFO L628 ElimStorePlain]: treesize reduction 17, result has 54.1 percent of original size [2021-04-29 08:06:41,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,179 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:06:41,180 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,186 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:06:41,187 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:06:41,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:06:41,188 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-04-29 08:06:41,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:06:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:41,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:41,212 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:06:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:06:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,217 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:06:41,219 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:06:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:41,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:06:41,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:41,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:06:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:41,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:06:41,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 08:06:41,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853166051] [2021-04-29 08:06:41,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:06:41,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:41,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:06:41,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:06:41,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:06:41,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 2180 transitions, 72119 flow. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:41,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:41,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:06:41,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:50,795 INFO L129 PetriNetUnfolder]: 2133/5572 cut-off events. [2021-04-29 08:06:50,795 INFO L130 PetriNetUnfolder]: For 408125/408180 co-relation queries the response was YES. [2021-04-29 08:06:50,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80395 conditions, 5572 events. 2133/5572 cut-off events. For 408125/408180 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57949 event pairs, 83 based on Foata normal form. 28/5600 useless extension candidates. Maximal degree in co-relation 79994. Up to 4249 conditions per place. [2021-04-29 08:06:50,961 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 2138 selfloop transitions, 41 changer transitions 3/2188 dead transitions. [2021-04-29 08:06:50,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 2188 transitions, 76880 flow [2021-04-29 08:06:50,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 08:06:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 08:06:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 218 transitions. [2021-04-29 08:06:50,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41923076923076924 [2021-04-29 08:06:50,963 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 218 transitions. [2021-04-29 08:06:50,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 218 transitions. [2021-04-29 08:06:50,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:50,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 218 transitions. [2021-04-29 08:06:50,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 16.76923076923077) internal successors, (218), 13 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:50,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:50,964 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:50,964 INFO L185 Difference]: Start difference. First operand has 749 places, 2180 transitions, 72119 flow. Second operand 13 states and 218 transitions. [2021-04-29 08:06:50,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 761 places, 2188 transitions, 76880 flow [2021-04-29 08:06:59,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 756 places, 2188 transitions, 76566 flow, removed 137 selfloop flow, removed 5 redundant places. [2021-04-29 08:06:59,871 INFO L241 Difference]: Finished difference. Result has 761 places, 2182 transitions, 72110 flow [2021-04-29 08:06:59,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=71805, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=72110, PETRI_PLACES=761, PETRI_TRANSITIONS=2182} [2021-04-29 08:06:59,872 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 730 predicate places. [2021-04-29 08:06:59,872 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:59,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 2182 transitions, 72110 flow [2021-04-29 08:06:59,873 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 2182 transitions, 72110 flow [2021-04-29 08:06:59,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 2182 transitions, 72110 flow [2021-04-29 08:07:02,774 INFO L129 PetriNetUnfolder]: 1971/5285 cut-off events. [2021-04-29 08:07:02,774 INFO L130 PetriNetUnfolder]: For 400781/401132 co-relation queries the response was YES. [2021-04-29 08:07:02,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73588 conditions, 5285 events. 1971/5285 cut-off events. For 400781/401132 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55926 event pairs, 2 based on Foata normal form. 56/5327 useless extension candidates. Maximal degree in co-relation 73163. Up to 890 conditions per place. [2021-04-29 08:07:02,984 INFO L146 LiptonReduction]: Number of co-enabled transitions 2480 [2021-04-29 08:07:04,032 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:04,032 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:04,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4161 [2021-04-29 08:07:04,033 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 2182 transitions, 72110 flow [2021-04-29 08:07:04,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:04,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:04,033 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:04,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-04-29 08:07:04,234 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:04,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1435331888, now seen corresponding path program 24 times [2021-04-29 08:07:04,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:04,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519889093] [2021-04-29 08:07:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:04,250 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 08:07:04,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:07:04,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:07:04,275 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-04-29 08:07:04,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:07:04,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,338 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:07:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:04,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:07:04,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:04,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519889093] [2021-04-29 08:07:04,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070007786] [2021-04-29 08:07:04,366 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:07:04,400 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 08:07:04,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:07:04,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:07:04,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:07:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,429 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 08:07:04,429 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 08:07:04,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:04,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:04,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:04,453 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:07:04,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:07:04,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:04,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:04,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:04,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:04,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,553 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-04-29 08:07:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:07:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:07:04,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:07:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:04,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:04,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:07:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:07:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:07:04,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:07:04,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:07:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:04,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:07:04,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:04,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:07:04,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:07:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:04,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:07:04,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:07:04,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526396748] [2021-04-29 08:07:04,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:07:04,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:04,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:07:04,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:07:04,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:07:04,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 2182 transitions, 72110 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:04,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:04,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:07:04,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:14,449 INFO L129 PetriNetUnfolder]: 2169/5644 cut-off events. [2021-04-29 08:07:14,450 INFO L130 PetriNetUnfolder]: For 430534/430604 co-relation queries the response was YES. [2021-04-29 08:07:14,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81898 conditions, 5644 events. 2169/5644 cut-off events. For 430534/430604 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 58677 event pairs, 86 based on Foata normal form. 51/5695 useless extension candidates. Maximal degree in co-relation 81491. Up to 4245 conditions per place. [2021-04-29 08:07:14,613 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2101 selfloop transitions, 120 changer transitions 0/2227 dead transitions. [2021-04-29 08:07:14,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 2227 transitions, 78070 flow [2021-04-29 08:07:14,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:07:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:07:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 218 transitions. [2021-04-29 08:07:14,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45416666666666666 [2021-04-29 08:07:14,615 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 218 transitions. [2021-04-29 08:07:14,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 218 transitions. [2021-04-29 08:07:14,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:14,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 218 transitions. [2021-04-29 08:07:14,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:14,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:14,617 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:14,617 INFO L185 Difference]: Start difference. First operand has 759 places, 2182 transitions, 72110 flow. Second operand 12 states and 218 transitions. [2021-04-29 08:07:14,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 2227 transitions, 78070 flow [2021-04-29 08:07:23,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 763 places, 2227 transitions, 77931 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-04-29 08:07:23,541 INFO L241 Difference]: Finished difference. Result has 765 places, 2211 transitions, 73312 flow [2021-04-29 08:07:23,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=71971, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2069, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=73312, PETRI_PLACES=765, PETRI_TRANSITIONS=2211} [2021-04-29 08:07:23,542 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 734 predicate places. [2021-04-29 08:07:23,543 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:23,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 2211 transitions, 73312 flow [2021-04-29 08:07:23,543 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 2211 transitions, 73312 flow [2021-04-29 08:07:23,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2211 transitions, 73312 flow [2021-04-29 08:07:26,858 INFO L129 PetriNetUnfolder]: 2004/5352 cut-off events. [2021-04-29 08:07:26,859 INFO L130 PetriNetUnfolder]: For 409348/409730 co-relation queries the response was YES. [2021-04-29 08:07:26,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74856 conditions, 5352 events. 2004/5352 cut-off events. For 409348/409730 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 56681 event pairs, 2 based on Foata normal form. 63/5401 useless extension candidates. Maximal degree in co-relation 74432. Up to 912 conditions per place. [2021-04-29 08:07:27,075 INFO L146 LiptonReduction]: Number of co-enabled transitions 2500 [2021-04-29 08:07:27,896 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:27,896 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:27,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4353 [2021-04-29 08:07:27,896 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2211 transitions, 73312 flow [2021-04-29 08:07:27,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:27,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:27,897 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:28,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:07:28,097 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:28,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash -174895272, now seen corresponding path program 49 times [2021-04-29 08:07:28,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:28,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215977067] [2021-04-29 08:07:28,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:28,117 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-04-29 08:07:28,118 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-04-29 08:07:28,148 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 08:07:28,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:07:28,178 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-04-29 08:07:28,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:07:28,211 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.3 percent of original size [2021-04-29 08:07:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 08:07:28,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:28,282 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,302 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-29 08:07:28,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:28,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215977067] [2021-04-29 08:07:28,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702876801] [2021-04-29 08:07:28,320 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:07:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:28,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:07:28,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:07:28,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:28,379 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-04-29 08:07:28,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:28,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:28,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:28,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,406 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:07:28,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:07:28,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,430 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-04-29 08:07:28,431 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-04-29 08:07:28,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:28,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:28,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:28,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,499 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 08:07:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:28,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:07:28,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:07:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:07:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:28,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:07:28,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:28,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:07:28,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:07:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:07:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:07:28,537 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-04-29 08:07:28,538 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:07:28,539 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:07:28,540 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:07:28,541 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,541 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:07:28,542 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-04-29 08:07:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:07:28,548 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:07:28,548 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:07:28,549 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,550 INFO L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-04-29 08:07:28,551 INFO L142 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-04-29 08:07:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 08:07:28,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 08:07:28,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,564 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:07:28,565 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,568 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:07:28,570 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:07:28,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:07:28,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-04-29 08:07:28,570 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:07:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:28,600 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:07:28,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:07:28,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:07:28,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:28,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,604 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:07:28,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:28,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:28,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:28,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:28,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:28,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:07:28,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 08:07:28,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854623165] [2021-04-29 08:07:28,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:07:28,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:28,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:07:28,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:07:28,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:07:28,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2211 transitions, 73312 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:28,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:28,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:07:28,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:37,580 INFO L129 PetriNetUnfolder]: 2173/5652 cut-off events. [2021-04-29 08:07:37,580 INFO L130 PetriNetUnfolder]: For 428888/428890 co-relation queries the response was YES. [2021-04-29 08:07:37,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82267 conditions, 5652 events. 2173/5652 cut-off events. For 428888/428890 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58807 event pairs, 87 based on Foata normal form. 4/5656 useless extension candidates. Maximal degree in co-relation 81860. Up to 4324 conditions per place. [2021-04-29 08:07:37,748 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2186 selfloop transitions, 35 changer transitions 3/2230 dead transitions. [2021-04-29 08:07:37,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 2230 transitions, 78586 flow [2021-04-29 08:07:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:07:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:07:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 205 transitions. [2021-04-29 08:07:37,749 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4270833333333333 [2021-04-29 08:07:37,749 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 205 transitions. [2021-04-29 08:07:37,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 205 transitions. [2021-04-29 08:07:37,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:37,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 205 transitions. [2021-04-29 08:07:37,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 17.083333333333332) internal successors, (205), 12 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:37,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:37,751 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:37,751 INFO L185 Difference]: Start difference. First operand has 765 places, 2211 transitions, 73312 flow. Second operand 12 states and 205 transitions. [2021-04-29 08:07:37,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 2230 transitions, 78586 flow [2021-04-29 08:07:46,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 2230 transitions, 78271 flow, removed 138 selfloop flow, removed 5 redundant places. [2021-04-29 08:07:46,859 INFO L241 Difference]: Finished difference. Result has 774 places, 2222 transitions, 73602 flow [2021-04-29 08:07:46,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=72997, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=73602, PETRI_PLACES=774, PETRI_TRANSITIONS=2222} [2021-04-29 08:07:46,860 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 743 predicate places. [2021-04-29 08:07:46,860 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:46,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 2222 transitions, 73602 flow [2021-04-29 08:07:46,860 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 2222 transitions, 73602 flow [2021-04-29 08:07:46,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 774 places, 2222 transitions, 73602 flow [2021-04-29 08:07:50,042 INFO L129 PetriNetUnfolder]: 2006/5359 cut-off events. [2021-04-29 08:07:50,042 INFO L130 PetriNetUnfolder]: For 411727/412083 co-relation queries the response was YES. [2021-04-29 08:07:50,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75128 conditions, 5359 events. 2006/5359 cut-off events. For 411727/412083 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 56710 event pairs, 2 based on Foata normal form. 59/5405 useless extension candidates. Maximal degree in co-relation 74699. Up to 918 conditions per place. [2021-04-29 08:07:50,260 INFO L146 LiptonReduction]: Number of co-enabled transitions 2516 [2021-04-29 08:07:51,122 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:51,122 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:51,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4262 [2021-04-29 08:07:51,123 INFO L480 AbstractCegarLoop]: Abstraction has has 774 places, 2222 transitions, 73602 flow [2021-04-29 08:07:51,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:51,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:51,123 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:51,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:07:51,324 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1278923756, now seen corresponding path program 50 times [2021-04-29 08:07:51,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:51,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939214951] [2021-04-29 08:07:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:51,344 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-04-29 08:07:51,345 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-04-29 08:07:51,376 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 08:07:51,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:07:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:07:51,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:51,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:07:51,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:51,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:07:51,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:51,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939214951] [2021-04-29 08:07:51,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078523545] [2021-04-29 08:07:51,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:07:51,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:07:51,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:07:51,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:07:51,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:07:51,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,760 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-04-29 08:07:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:51,791 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 08:07:51,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:51,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:07:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:51,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:51,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:51,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:07:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,826 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-04-29 08:07:51,826 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 08:07:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,857 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-04-29 08:07:51,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 08:07:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:51,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:07:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:51,884 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-04-29 08:07:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:07:51,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:07:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:07:51,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:07:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:07:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:07:51,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:07:51,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:07:51,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:07:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:07:51,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-04-29 08:07:51,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:51,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:51,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:07:51,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:51,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:07:51,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-04-29 08:07:51,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:51,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:07:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:51,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:07:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:51,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:07:51,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:07:51,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951693062] [2021-04-29 08:07:51,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:07:51,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:51,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:07:51,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:07:51,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:07:51,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 774 places, 2222 transitions, 73602 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:51,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:51,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:07:51,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:01,368 INFO L129 PetriNetUnfolder]: 2194/5699 cut-off events. [2021-04-29 08:08:01,368 INFO L130 PetriNetUnfolder]: For 436882/436888 co-relation queries the response was YES. [2021-04-29 08:08:01,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82997 conditions, 5699 events. 2194/5699 cut-off events. For 436882/436888 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59379 event pairs, 91 based on Foata normal form. 8/5707 useless extension candidates. Maximal degree in co-relation 82585. Up to 4268 conditions per place. [2021-04-29 08:08:01,734 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2125 selfloop transitions, 137 changer transitions 0/2268 dead transitions. [2021-04-29 08:08:01,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 2268 transitions, 79353 flow [2021-04-29 08:08:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:08:01,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:08:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 217 transitions. [2021-04-29 08:08:01,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45208333333333334 [2021-04-29 08:08:01,735 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 217 transitions. [2021-04-29 08:08:01,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 217 transitions. [2021-04-29 08:08:01,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:01,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 217 transitions. [2021-04-29 08:08:01,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.083333333333332) internal successors, (217), 12 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:01,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:01,736 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:01,737 INFO L185 Difference]: Start difference. First operand has 774 places, 2222 transitions, 73602 flow. Second operand 12 states and 217 transitions. [2021-04-29 08:08:01,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 2268 transitions, 79353 flow [2021-04-29 08:08:11,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 2268 transitions, 79262 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-04-29 08:08:11,148 INFO L241 Difference]: Finished difference. Result has 785 places, 2253 transitions, 74828 flow [2021-04-29 08:08:11,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=73511, PETRI_DIFFERENCE_MINUEND_PLACES=769, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2086, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=74828, PETRI_PLACES=785, PETRI_TRANSITIONS=2253} [2021-04-29 08:08:11,149 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 754 predicate places. [2021-04-29 08:08:11,149 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:11,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 785 places, 2253 transitions, 74828 flow [2021-04-29 08:08:11,149 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 785 places, 2253 transitions, 74828 flow [2021-04-29 08:08:11,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 785 places, 2253 transitions, 74828 flow [2021-04-29 08:08:14,270 INFO L129 PetriNetUnfolder]: 2024/5401 cut-off events. [2021-04-29 08:08:14,271 INFO L130 PetriNetUnfolder]: For 426602/426967 co-relation queries the response was YES. [2021-04-29 08:08:14,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76266 conditions, 5401 events. 2024/5401 cut-off events. For 426602/426967 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 57068 event pairs, 1 based on Foata normal form. 59/5445 useless extension candidates. Maximal degree in co-relation 75831. Up to 922 conditions per place. [2021-04-29 08:08:15,031 INFO L146 LiptonReduction]: Number of co-enabled transitions 2522 [2021-04-29 08:08:16,155 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:16,155 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:16,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5006 [2021-04-29 08:08:16,156 INFO L480 AbstractCegarLoop]: Abstraction has has 785 places, 2253 transitions, 74828 flow [2021-04-29 08:08:16,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:16,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:16,156 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:08:16,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-04-29 08:08:16,357 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:16,358 INFO L82 PathProgramCache]: Analyzing trace with hash -349955950, now seen corresponding path program 51 times [2021-04-29 08:08:16,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:16,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684145156] [2021-04-29 08:08:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:16,375 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-04-29 08:08:16,375 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-04-29 08:08:16,407 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 08:08:16,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:08:16,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,451 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-04-29 08:08:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:16,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:08:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:16,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684145156] [2021-04-29 08:08:16,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581530964] [2021-04-29 08:08:16,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:08:16,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 08:08:16,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:08:16,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:08:16,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:08:16,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:16,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 08:08:16,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:16,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:16,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,607 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-04-29 08:08:16,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-04-29 08:08:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:16,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:16,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,636 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 08:08:16,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 08:08:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:16,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:16,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:16,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:16,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:16,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:16,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:08:16,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:16,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:16,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:08:16,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-04-29 08:08:16,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:16,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:16,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:08:16,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:16,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:08:16,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-04-29 08:08:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:16,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:16,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:08:16,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:08:16,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161521290] [2021-04-29 08:08:16,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:08:16,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:08:16,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:08:16,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:08:16,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 2253 transitions, 74828 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:16,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:16,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:08:16,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:26,432 INFO L129 PetriNetUnfolder]: 2197/5661 cut-off events. [2021-04-29 08:08:26,432 INFO L130 PetriNetUnfolder]: For 449184/449186 co-relation queries the response was YES. [2021-04-29 08:08:26,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83712 conditions, 5661 events. 2197/5661 cut-off events. For 449184/449186 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 58588 event pairs, 11 based on Foata normal form. 4/5665 useless extension candidates. Maximal degree in co-relation 83295. Up to 3389 conditions per place. [2021-04-29 08:08:26,606 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1759 selfloop transitions, 539 changer transitions 13/2317 dead transitions. [2021-04-29 08:08:26,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 2317 transitions, 81261 flow [2021-04-29 08:08:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 08:08:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 08:08:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 251 transitions. [2021-04-29 08:08:26,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44821428571428573 [2021-04-29 08:08:26,607 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 251 transitions. [2021-04-29 08:08:26,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 251 transitions. [2021-04-29 08:08:26,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:26,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 251 transitions. [2021-04-29 08:08:26,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.928571428571427) internal successors, (251), 14 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:26,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:26,608 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:26,608 INFO L185 Difference]: Start difference. First operand has 785 places, 2253 transitions, 74828 flow. Second operand 14 states and 251 transitions. [2021-04-29 08:08:26,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 798 places, 2317 transitions, 81261 flow [2021-04-29 08:08:36,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 2317 transitions, 80917 flow, removed 132 selfloop flow, removed 7 redundant places. [2021-04-29 08:08:36,246 INFO L241 Difference]: Finished difference. Result has 795 places, 2262 transitions, 75947 flow [2021-04-29 08:08:36,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=74500, PETRI_DIFFERENCE_MINUEND_PLACES=778, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=530, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=75947, PETRI_PLACES=795, PETRI_TRANSITIONS=2262} [2021-04-29 08:08:36,248 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 764 predicate places. [2021-04-29 08:08:36,248 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:36,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 2262 transitions, 75947 flow [2021-04-29 08:08:36,248 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 2262 transitions, 75947 flow [2021-04-29 08:08:36,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 2262 transitions, 75947 flow [2021-04-29 08:08:39,519 INFO L129 PetriNetUnfolder]: 2028/5452 cut-off events. [2021-04-29 08:08:39,519 INFO L130 PetriNetUnfolder]: For 439296/439622 co-relation queries the response was YES. [2021-04-29 08:08:39,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77552 conditions, 5452 events. 2028/5452 cut-off events. For 439296/439622 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 58104 event pairs, 2 based on Foata normal form. 59/5496 useless extension candidates. Maximal degree in co-relation 77147. Up to 918 conditions per place. [2021-04-29 08:08:39,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 2534 [2021-04-29 08:08:40,858 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:40,858 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:40,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4610 [2021-04-29 08:08:40,858 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 2262 transitions, 75947 flow [2021-04-29 08:08:40,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:40,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:40,859 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:08:41,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:08:41,059 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:41,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:41,060 INFO L82 PathProgramCache]: Analyzing trace with hash -357686348, now seen corresponding path program 52 times [2021-04-29 08:08:41,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:41,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666091462] [2021-04-29 08:08:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:41,078 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-04-29 08:08:41,079 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-04-29 08:08:41,108 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 08:08:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:08:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,157 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-04-29 08:08:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:41,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:08:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:41,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:08:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:41,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666091462] [2021-04-29 08:08:41,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243449438] [2021-04-29 08:08:41,236 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:08:41,267 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:08:41,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:08:41,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:08:41,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:08:41,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:41,303 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 08:08:41,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:41,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:41,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:41,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:08:41,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:41,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:41,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:41,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:08:41,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,334 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 08:08:41,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 08:08:41,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:41,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:41,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:41,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:41,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:41,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:08:41,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:41,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:41,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:41,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:41,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:41,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:41,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:41,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:41,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:08:41,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:08:41,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:08:41,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:08:41,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:08:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:08:41,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-04-29 08:08:41,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:41,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:41,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:08:41,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:41,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:08:41,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-04-29 08:08:41,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:08:41,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:41,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:08:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:41,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:08:41,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:08:41,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158604177] [2021-04-29 08:08:41,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:08:41,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:41,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:08:41,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:08:41,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:08:41,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 2262 transitions, 75947 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:41,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:41,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:08:41,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:51,188 INFO L129 PetriNetUnfolder]: 2199/5715 cut-off events. [2021-04-29 08:08:51,188 INFO L130 PetriNetUnfolder]: For 461417/461429 co-relation queries the response was YES. [2021-04-29 08:08:51,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84975 conditions, 5715 events. 2199/5715 cut-off events. For 461417/461429 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59631 event pairs, 91 based on Foata normal form. 14/5729 useless extension candidates. Maximal degree in co-relation 84553. Up to 4314 conditions per place. [2021-04-29 08:08:51,364 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2160 selfloop transitions, 108 changer transitions 5/2279 dead transitions. [2021-04-29 08:08:51,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 2279 transitions, 81011 flow [2021-04-29 08:08:51,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 08:08:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 08:08:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 234 transitions. [2021-04-29 08:08:51,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:08:51,365 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 234 transitions. [2021-04-29 08:08:51,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 234 transitions. [2021-04-29 08:08:51,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:51,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 234 transitions. [2021-04-29 08:08:51,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.0) internal successors, (234), 13 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:51,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:51,367 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:51,367 INFO L185 Difference]: Start difference. First operand has 795 places, 2262 transitions, 75947 flow. Second operand 13 states and 234 transitions. [2021-04-29 08:08:51,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 2279 transitions, 81011 flow [2021-04-29 08:09:01,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 2279 transitions, 80860 flow, removed 61 selfloop flow, removed 6 redundant places. [2021-04-29 08:09:01,149 INFO L241 Difference]: Finished difference. Result has 803 places, 2264 transitions, 76182 flow [2021-04-29 08:09:01,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=75796, PETRI_DIFFERENCE_MINUEND_PLACES=789, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=76182, PETRI_PLACES=803, PETRI_TRANSITIONS=2264} [2021-04-29 08:09:01,150 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 772 predicate places. [2021-04-29 08:09:01,150 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:01,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 803 places, 2264 transitions, 76182 flow [2021-04-29 08:09:01,151 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 803 places, 2264 transitions, 76182 flow [2021-04-29 08:09:01,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 2264 transitions, 76182 flow [2021-04-29 08:09:04,492 INFO L129 PetriNetUnfolder]: 2032/5458 cut-off events. [2021-04-29 08:09:04,492 INFO L130 PetriNetUnfolder]: For 448962/449278 co-relation queries the response was YES. [2021-04-29 08:09:04,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77954 conditions, 5458 events. 2032/5458 cut-off events. For 448962/449278 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 58065 event pairs, 2 based on Foata normal form. 47/5491 useless extension candidates. Maximal degree in co-relation 77546. Up to 908 conditions per place. [2021-04-29 08:09:04,721 INFO L146 LiptonReduction]: Number of co-enabled transitions 2538 [2021-04-29 08:09:05,597 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:05,597 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:05,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4447 [2021-04-29 08:09:05,597 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 2264 transitions, 76182 flow [2021-04-29 08:09:05,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:05,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:05,597 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:09:05,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-04-29 08:09:05,798 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:05,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2043971568, now seen corresponding path program 25 times [2021-04-29 08:09:05,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:05,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668723881] [2021-04-29 08:09:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:05,816 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 08:09:05,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:05,828 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-04-29 08:09:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:05,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:09:05,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:05,908 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:09:05,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:05,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:09:05,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:05,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668723881] [2021-04-29 08:09:05,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627077451] [2021-04-29 08:09:05,939 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:09:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:05,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:09:05,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:09:05,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,003 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-04-29 08:09:06,003 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-04-29 08:09:06,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:06,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:06,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:06,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:06,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:06,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:06,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:06,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:09:06,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:06,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:09:06,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:09:06,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,108 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size [2021-04-29 08:09:06,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:06,109 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-04-29 08:09:06,109 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 08:09:06,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:06,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:06,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:06,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:06,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:06,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:06,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:06,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:06,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-04-29 08:09:06,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:06,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:06,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:09:06,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:06,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:06,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:09:06,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:09:06,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:09:06,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:06,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:09:06,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:06,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:09:06,181 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:09:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:06,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:06,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:09:06,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:09:06,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951184588] [2021-04-29 08:09:06,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:09:06,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:06,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:09:06,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:09:06,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:09:06,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 2264 transitions, 76182 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:06,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:06,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:09:06,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:15,517 INFO L129 PetriNetUnfolder]: 2268/5844 cut-off events. [2021-04-29 08:09:15,518 INFO L130 PetriNetUnfolder]: For 488903/488930 co-relation queries the response was YES. [2021-04-29 08:09:15,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87449 conditions, 5844 events. 2268/5844 cut-off events. For 488903/488930 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 60907 event pairs, 93 based on Foata normal form. 20/5864 useless extension candidates. Maximal degree in co-relation 87024. Up to 4417 conditions per place. [2021-04-29 08:09:15,701 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2228 selfloop transitions, 101 changer transitions 0/2335 dead transitions. [2021-04-29 08:09:15,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 2335 transitions, 83001 flow [2021-04-29 08:09:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:09:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:09:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2021-04-29 08:09:15,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.465 [2021-04-29 08:09:15,702 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 186 transitions. [2021-04-29 08:09:15,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 186 transitions. [2021-04-29 08:09:15,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:15,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 186 transitions. [2021-04-29 08:09:15,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:15,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:15,703 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:15,703 INFO L185 Difference]: Start difference. First operand has 803 places, 2264 transitions, 76182 flow. Second operand 10 states and 186 transitions. [2021-04-29 08:09:15,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 2335 transitions, 83001 flow [2021-04-29 08:09:26,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 803 places, 2335 transitions, 82733 flow, removed 51 selfloop flow, removed 9 redundant places. [2021-04-29 08:09:26,203 INFO L241 Difference]: Finished difference. Result has 807 places, 2320 transitions, 78049 flow [2021-04-29 08:09:26,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=75914, PETRI_DIFFERENCE_MINUEND_PLACES=794, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=78049, PETRI_PLACES=807, PETRI_TRANSITIONS=2320} [2021-04-29 08:09:26,205 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 776 predicate places. [2021-04-29 08:09:26,205 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:26,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 807 places, 2320 transitions, 78049 flow [2021-04-29 08:09:26,205 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 807 places, 2320 transitions, 78049 flow [2021-04-29 08:09:26,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 2320 transitions, 78049 flow [2021-04-29 08:09:29,884 INFO L129 PetriNetUnfolder]: 2101/5592 cut-off events. [2021-04-29 08:09:29,885 INFO L130 PetriNetUnfolder]: For 476236/476497 co-relation queries the response was YES. [2021-04-29 08:09:30,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80711 conditions, 5592 events. 2101/5592 cut-off events. For 476236/476497 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 59276 event pairs, 3 based on Foata normal form. 29/5605 useless extension candidates. Maximal degree in co-relation 80299. Up to 934 conditions per place. [2021-04-29 08:09:30,116 INFO L146 LiptonReduction]: Number of co-enabled transitions 2554 [2021-04-29 08:09:31,012 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:31,013 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:31,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4808 [2021-04-29 08:09:31,013 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 2320 transitions, 78049 flow [2021-04-29 08:09:31,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:31,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:31,013 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:09:31,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,78 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:09:31,214 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:31,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash -216232934, now seen corresponding path program 26 times [2021-04-29 08:09:31,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:31,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843616455] [2021-04-29 08:09:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:31,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-04-29 08:09:31,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:09:31,254 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-04-29 08:09:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:09:31,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:31,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:09:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:31,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843616455] [2021-04-29 08:09:31,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751052859] [2021-04-29 08:09:31,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:09:31,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:09:31,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:09:31,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:09:31,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:09:31,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:31,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:31,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:31,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:31,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,449 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size [2021-04-29 08:09:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:09:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:09:31,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,500 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-04-29 08:09:31,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:09:31,500 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size 41 [2021-04-29 08:09:31,501 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 08:09:31,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:31,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:31,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:31,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 08:09:31,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:31,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 08:09:31,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:09:31,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:09:31,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:31,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:09:31,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:09:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:09:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:09:31,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,591 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-04-29 08:09:31,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,592 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-04-29 08:09:31,592 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:09:31,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:31,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:31,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:31,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:09:31,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:31,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:31,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:09:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:09:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:09:31,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:09:31,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-04-29 08:09:31,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:31,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:31,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:09:31,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:31,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:09:31,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-04-29 08:09:31,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:31,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:31,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:31,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:09:31,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:09:31,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932838691] [2021-04-29 08:09:31,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:09:31,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:31,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:09:31,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:09:31,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:09:31,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 2320 transitions, 78049 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:31,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:31,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:09:31,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:41,207 INFO L129 PetriNetUnfolder]: 2268/5839 cut-off events. [2021-04-29 08:09:41,207 INFO L130 PetriNetUnfolder]: For 498948/498960 co-relation queries the response was YES. [2021-04-29 08:09:41,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87937 conditions, 5839 events. 2268/5839 cut-off events. For 498948/498960 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 60786 event pairs, 89 based on Foata normal form. 11/5850 useless extension candidates. Maximal degree in co-relation 87508. Up to 4476 conditions per place. [2021-04-29 08:09:41,391 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2261 selfloop transitions, 61 changer transitions 3/2331 dead transitions. [2021-04-29 08:09:41,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 816 places, 2331 transitions, 83078 flow [2021-04-29 08:09:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:09:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:09:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-04-29 08:09:41,392 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4575 [2021-04-29 08:09:41,392 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-04-29 08:09:41,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-04-29 08:09:41,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:41,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-04-29 08:09:41,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:41,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:41,393 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:41,394 INFO L185 Difference]: Start difference. First operand has 807 places, 2320 transitions, 78049 flow. Second operand 10 states and 183 transitions. [2021-04-29 08:09:41,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 816 places, 2331 transitions, 83078 flow [2021-04-29 08:09:52,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 812 places, 2331 transitions, 82342 flow, removed 345 selfloop flow, removed 4 redundant places. [2021-04-29 08:09:52,501 INFO L241 Difference]: Finished difference. Result has 814 places, 2324 transitions, 77591 flow [2021-04-29 08:09:52,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=77313, PETRI_DIFFERENCE_MINUEND_PLACES=803, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=77591, PETRI_PLACES=814, PETRI_TRANSITIONS=2324} [2021-04-29 08:09:52,502 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 783 predicate places. [2021-04-29 08:09:52,502 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:52,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 814 places, 2324 transitions, 77591 flow [2021-04-29 08:09:52,502 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 814 places, 2324 transitions, 77591 flow [2021-04-29 08:09:52,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 814 places, 2324 transitions, 77591 flow [2021-04-29 08:09:55,899 INFO L129 PetriNetUnfolder]: 2091/5568 cut-off events. [2021-04-29 08:09:55,899 INFO L130 PetriNetUnfolder]: For 475378/475706 co-relation queries the response was YES. [2021-04-29 08:09:56,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79957 conditions, 5568 events. 2091/5568 cut-off events. For 475378/475706 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 59130 event pairs, 2 based on Foata normal form. 46/5597 useless extension candidates. Maximal degree in co-relation 79543. Up to 920 conditions per place. [2021-04-29 08:09:56,136 INFO L146 LiptonReduction]: Number of co-enabled transitions 2556 [2021-04-29 08:09:57,096 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:57,096 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:57,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4594 [2021-04-29 08:09:57,097 INFO L480 AbstractCegarLoop]: Abstraction has has 814 places, 2324 transitions, 77591 flow [2021-04-29 08:09:57,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:57,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:57,097 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:09:57,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:09:57,298 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:57,298 INFO L82 PathProgramCache]: Analyzing trace with hash -629373038, now seen corresponding path program 53 times [2021-04-29 08:09:57,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:57,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293683599] [2021-04-29 08:09:57,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:57,314 INFO L142 QuantifierPusher]: treesize reduction 23, result has 47.7 percent of original size [2021-04-29 08:09:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:57,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,345 INFO L142 QuantifierPusher]: treesize reduction 39, result has 48.0 percent of original size [2021-04-29 08:09:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:09:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:57,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:09:57,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:57,420 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:09:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:57,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293683599] [2021-04-29 08:09:57,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260325464] [2021-04-29 08:09:57,436 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:09:57,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:09:57,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:09:57,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 08:09:57,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:09:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:09:57,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,555 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-04-29 08:09:57,556 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 08:09:57,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:09:57,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:09:57,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:09:57,587 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-04-29 08:09:57,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:09:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:09:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:09:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:09:57,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:09:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:09:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:09:57,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:57,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:09:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:09:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:09:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:09:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:09:57,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:09:57,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:09:57,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:09:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:57,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:09:57,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:57,665 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:09:57,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:09:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:09:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:09:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:57,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:09:57,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:09:57,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410444650] [2021-04-29 08:09:57,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:09:57,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:57,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:09:57,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:09:57,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:09:57,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 814 places, 2324 transitions, 77591 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:57,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:57,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:09:57,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:08,561 INFO L129 PetriNetUnfolder]: 2368/6034 cut-off events. [2021-04-29 08:10:08,561 INFO L130 PetriNetUnfolder]: For 523553/523565 co-relation queries the response was YES. [2021-04-29 08:10:08,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90807 conditions, 6034 events. 2368/6034 cut-off events. For 523553/523565 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 62730 event pairs, 96 based on Foata normal form. 12/6046 useless extension candidates. Maximal degree in co-relation 90376. Up to 4484 conditions per place. [2021-04-29 08:10:08,754 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2244 selfloop transitions, 192 changer transitions 4/2446 dead transitions. [2021-04-29 08:10:08,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 2446 transitions, 86196 flow [2021-04-29 08:10:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 08:10:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 08:10:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 280 transitions. [2021-04-29 08:10:08,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2021-04-29 08:10:08,755 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 280 transitions. [2021-04-29 08:10:08,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 280 transitions. [2021-04-29 08:10:08,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:08,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 280 transitions. [2021-04-29 08:10:08,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 15 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:08,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:08,756 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:08,756 INFO L185 Difference]: Start difference. First operand has 814 places, 2324 transitions, 77591 flow. Second operand 15 states and 280 transitions. [2021-04-29 08:10:08,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 2446 transitions, 86196 flow [2021-04-29 08:10:20,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 2446 transitions, 86025 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-04-29 08:10:20,099 INFO L241 Difference]: Finished difference. Result has 828 places, 2421 transitions, 81158 flow [2021-04-29 08:10:20,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=77420, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=81158, PETRI_PLACES=828, PETRI_TRANSITIONS=2421} [2021-04-29 08:10:20,100 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 797 predicate places. [2021-04-29 08:10:20,100 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:20,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 828 places, 2421 transitions, 81158 flow [2021-04-29 08:10:20,100 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 828 places, 2421 transitions, 81158 flow [2021-04-29 08:10:20,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 828 places, 2421 transitions, 81158 flow [2021-04-29 08:10:23,942 INFO L129 PetriNetUnfolder]: 2179/5744 cut-off events. [2021-04-29 08:10:23,942 INFO L130 PetriNetUnfolder]: For 511138/511463 co-relation queries the response was YES. [2021-04-29 08:10:24,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83564 conditions, 5744 events. 2179/5744 cut-off events. For 511138/511463 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 60871 event pairs, 2 based on Foata normal form. 45/5771 useless extension candidates. Maximal degree in co-relation 83144. Up to 949 conditions per place. [2021-04-29 08:10:24,200 INFO L146 LiptonReduction]: Number of co-enabled transitions 2584 [2021-04-29 08:10:25,165 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:25,165 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:25,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5065 [2021-04-29 08:10:25,165 INFO L480 AbstractCegarLoop]: Abstraction has has 828 places, 2421 transitions, 81158 flow [2021-04-29 08:10:25,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:25,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:25,166 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:10:25,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:10:25,366 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:25,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:25,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2002620046, now seen corresponding path program 54 times [2021-04-29 08:10:25,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:25,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732768414] [2021-04-29 08:10:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:25,388 INFO L142 QuantifierPusher]: treesize reduction 40, result has 56.5 percent of original size [2021-04-29 08:10:25,389 INFO L147 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size 31 [2021-04-29 08:10:25,431 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-04-29 08:10:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:10:25,483 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.9 percent of original size [2021-04-29 08:10:25,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 08:10:25,555 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-04-29 08:10:25,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:10:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:25,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:10:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:25,628 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:10:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:25,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732768414] [2021-04-29 08:10:25,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637462610] [2021-04-29 08:10:25,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:10:25,672 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:10:25,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:10:25,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-04-29 08:10:25,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:10:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,711 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-04-29 08:10:25,712 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-04-29 08:10:25,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,743 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-04-29 08:10:25,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-29 08:10:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:25,778 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 08:10:25,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:10:25,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:25,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:10:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,825 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size [2021-04-29 08:10:25,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:10:25,826 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-04-29 08:10:25,827 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 08:10:25,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:10:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:10:25,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:10:25,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:10:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:10:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:10:25,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:10:25,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:10:25,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 08:10:25,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:25,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:25,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:10:25,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:25,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:10:25,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:25,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:25,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:26,087 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-04-29 08:10:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:26,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:26,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:26,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:10:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:10:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:10:26,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:10:26,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:10:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:26,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:26,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:10:26,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:26,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:10:26,109 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-04-29 08:10:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:26,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:26,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:10:26,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:10:26,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596592934] [2021-04-29 08:10:26,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:10:26,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:26,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:10:26,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:10:26,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:10:26,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 828 places, 2421 transitions, 81158 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:26,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:26,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:10:26,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:37,045 INFO L129 PetriNetUnfolder]: 2437/6172 cut-off events. [2021-04-29 08:10:37,045 INFO L130 PetriNetUnfolder]: For 554478/554484 co-relation queries the response was YES. [2021-04-29 08:10:37,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93995 conditions, 6172 events. 2437/6172 cut-off events. For 554478/554484 co-relation queries the response was YES. Maximal size of possible extension queue 763. Compared 64204 event pairs, 97 based on Foata normal form. 7/6179 useless extension candidates. Maximal degree in co-relation 93558. Up to 4666 conditions per place. [2021-04-29 08:10:37,238 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2347 selfloop transitions, 147 changer transitions 0/2500 dead transitions. [2021-04-29 08:10:37,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 2500 transitions, 88765 flow [2021-04-29 08:10:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:10:37,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:10:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-04-29 08:10:37,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4636363636363636 [2021-04-29 08:10:37,240 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-04-29 08:10:37,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-04-29 08:10:37,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:37,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-04-29 08:10:37,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:37,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:37,241 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:37,241 INFO L185 Difference]: Start difference. First operand has 828 places, 2421 transitions, 81158 flow. Second operand 11 states and 204 transitions. [2021-04-29 08:10:37,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 2500 transitions, 88765 flow [2021-04-29 08:10:50,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 834 places, 2500 transitions, 86765 flow, removed 982 selfloop flow, removed 4 redundant places. [2021-04-29 08:10:50,317 INFO L241 Difference]: Finished difference. Result has 838 places, 2483 transitions, 81878 flow [2021-04-29 08:10:50,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=79548, PETRI_DIFFERENCE_MINUEND_PLACES=824, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=81878, PETRI_PLACES=838, PETRI_TRANSITIONS=2483} [2021-04-29 08:10:50,319 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 807 predicate places. [2021-04-29 08:10:50,319 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:50,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 2483 transitions, 81878 flow [2021-04-29 08:10:50,319 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 2483 transitions, 81878 flow [2021-04-29 08:10:50,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 2483 transitions, 81878 flow [2021-04-29 08:10:54,077 INFO L129 PetriNetUnfolder]: 2246/5870 cut-off events. [2021-04-29 08:10:54,077 INFO L130 PetriNetUnfolder]: For 527775/528136 co-relation queries the response was YES. [2021-04-29 08:10:54,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85025 conditions, 5870 events. 2246/5870 cut-off events. For 527775/528136 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 62202 event pairs, 1 based on Foata normal form. 53/5905 useless extension candidates. Maximal degree in co-relation 84600. Up to 947 conditions per place. [2021-04-29 08:10:54,317 INFO L146 LiptonReduction]: Number of co-enabled transitions 2600 [2021-04-29 08:10:55,302 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:55,302 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:55,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4983 [2021-04-29 08:10:55,302 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 2483 transitions, 81878 flow [2021-04-29 08:10:55,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:55,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:55,302 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:10:55,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-04-29 08:10:55,503 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:55,504 INFO L82 PathProgramCache]: Analyzing trace with hash -849986704, now seen corresponding path program 55 times [2021-04-29 08:10:55,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:55,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393947804] [2021-04-29 08:10:55,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:55,519 INFO L142 QuantifierPusher]: treesize reduction 23, result has 47.7 percent of original size [2021-04-29 08:10:55,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:55,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:10:55,551 INFO L142 QuantifierPusher]: treesize reduction 39, result has 48.0 percent of original size [2021-04-29 08:10:55,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:10:55,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:55,599 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:10:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:55,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 08:10:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:55,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393947804] [2021-04-29 08:10:55,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685902459] [2021-04-29 08:10:55,626 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:10:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:55,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:10:55,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:10:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:10:55,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,691 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 08:10:55,692 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 08:10:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:10:55,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:10:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:10:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,717 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 08:10:55,718 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:10:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:10:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:10:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:10:55,748 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 08:10:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:10:55,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,784 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.1 percent of original size 63 [2021-04-29 08:10:55,785 INFO L142 QuantifierPusher]: treesize reduction 11, result has 85.1 percent of original size [2021-04-29 08:10:55,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 08:10:55,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 08:10:55,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 08:10:55,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,826 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-04-29 08:10:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:10:55,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:10:55,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:55,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:10:55,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:10:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:55,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:10:55,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:10:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:10:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:10:55,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-04-29 08:10:55,867 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:10:55,869 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 08:10:55,869 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:10:55,870 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,870 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:10:55,871 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,872 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-04-29 08:10:55,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:10:55,874 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 08:10:55,874 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:10:55,875 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,877 INFO L147 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size 19 [2021-04-29 08:10:55,878 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-04-29 08:10:55,878 INFO L147 QuantifierPusher]: treesize reduction 11, result has 42.1 percent of original size 8 [2021-04-29 08:10:55,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 08:10:55,904 INFO L628 ElimStorePlain]: treesize reduction 11, result has 64.5 percent of original size [2021-04-29 08:10:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,906 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:10:55,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,911 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 08:10:55,911 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-29 08:10:55,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:10:55,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-04-29 08:10:55,912 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 08:10:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:55,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:55,941 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 08:10:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:55,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:10:55,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:55,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,946 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:10:55,947 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:10:55,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:10:55,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:55,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:10:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:55,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:10:55,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-04-29 08:10:55,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254785658] [2021-04-29 08:10:55,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:10:55,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:55,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:10:55,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:10:55,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:10:55,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 2483 transitions, 81878 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:55,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:55,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:10:55,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:08,391 INFO L129 PetriNetUnfolder]: 2574/6469 cut-off events. [2021-04-29 08:11:08,392 INFO L130 PetriNetUnfolder]: For 593130/593136 co-relation queries the response was YES. [2021-04-29 08:11:08,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98062 conditions, 6469 events. 2574/6469 cut-off events. For 593130/593136 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 67510 event pairs, 96 based on Foata normal form. 9/6478 useless extension candidates. Maximal degree in co-relation 97620. Up to 4292 conditions per place. [2021-04-29 08:11:08,599 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 2065 selfloop transitions, 576 changer transitions 14/2661 dead transitions. [2021-04-29 08:11:08,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 853 places, 2661 transitions, 93283 flow [2021-04-29 08:11:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:11:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:11:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 296 transitions. [2021-04-29 08:11:08,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4625 [2021-04-29 08:11:08,604 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 296 transitions. [2021-04-29 08:11:08,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 296 transitions. [2021-04-29 08:11:08,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:08,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 296 transitions. [2021-04-29 08:11:08,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.5) internal successors, (296), 16 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:08,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:08,606 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:08,606 INFO L185 Difference]: Start difference. First operand has 838 places, 2483 transitions, 81878 flow. Second operand 16 states and 296 transitions. [2021-04-29 08:11:08,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 853 places, 2661 transitions, 93283 flow Received shutdown request... [2021-04-29 08:11:17,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-04-29 08:11:17,488 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 08:11:17,494 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 08:11:17,494 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 08:11:17 BasicIcfg [2021-04-29 08:11:17,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 08:11:17,495 INFO L168 Benchmark]: Toolchain (without parser) took 799543.24 ms. Allocated memory was 302.0 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 270.9 MB in the beginning and 6.2 GB in the end (delta: -5.9 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-04-29 08:11:17,495 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.77 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:11:17,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.48 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 283.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 08:11:17,495 INFO L168 Benchmark]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.7 MB in the end (delta: 935.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:11:17,495 INFO L168 Benchmark]: RCFGBuilder took 325.33 ms. Allocated memory is still 302.0 MB. Free memory was 282.7 MB in the beginning and 276.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 08:11:17,496 INFO L168 Benchmark]: TraceAbstraction took 799101.39 ms. Allocated memory was 302.0 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 276.4 MB in the beginning and 6.2 GB in the end (delta: -5.9 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-04-29 08:11:17,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.77 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.48 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 283.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.51 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.7 MB in the end (delta: 935.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 325.33 ms. Allocated memory is still 302.0 MB. Free memory was 282.7 MB in the beginning and 276.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 799101.39 ms. Allocated memory was 302.0 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 276.4 MB in the beginning and 6.2 GB in the end (delta: -5.9 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 527.6ms, 31 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 4 FixpointIterations, 5 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.4ms, 28 PlacesBefore, 24 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.5ms, 27 PlacesBefore, 27 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.1ms, 30 PlacesBefore, 24 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.4ms, 32 PlacesBefore, 32 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.2ms, 39 PlacesBefore, 39 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.7ms, 74 PlacesBefore, 74 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.0ms, 86 PlacesBefore, 85 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.2ms, 86 PlacesBefore, 86 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.3ms, 96 PlacesBefore, 96 PlacesAfterwards, 181 TransitionsBefore, 181 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.5ms, 105 PlacesBefore, 105 PlacesAfterwards, 197 TransitionsBefore, 197 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.1ms, 119 PlacesBefore, 119 PlacesAfterwards, 272 TransitionsBefore, 272 TransitionsAfterwards, 426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.7ms, 134 PlacesBefore, 134 PlacesAfterwards, 293 TransitionsBefore, 293 TransitionsAfterwards, 482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 249.1ms, 147 PlacesBefore, 147 PlacesAfterwards, 298 TransitionsBefore, 298 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.3ms, 165 PlacesBefore, 165 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 260.7ms, 177 PlacesBefore, 177 PlacesAfterwards, 361 TransitionsBefore, 361 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.5ms, 179 PlacesBefore, 178 PlacesAfterwards, 355 TransitionsBefore, 355 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.6ms, 212 PlacesBefore, 212 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.6ms, 239 PlacesBefore, 239 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 349.7ms, 253 PlacesBefore, 253 PlacesAfterwards, 584 TransitionsBefore, 584 TransitionsAfterwards, 838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 376.2ms, 265 PlacesBefore, 265 PlacesAfterwards, 598 TransitionsBefore, 598 TransitionsAfterwards, 850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 443.0ms, 282 PlacesBefore, 282 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 872 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 576.0ms, 286 PlacesBefore, 286 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 413.9ms, 298 PlacesBefore, 298 PlacesAfterwards, 690 TransitionsBefore, 690 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 599.2ms, 297 PlacesBefore, 294 PlacesAfterwards, 692 TransitionsBefore, 692 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 593.5ms, 307 PlacesBefore, 307 PlacesAfterwards, 735 TransitionsBefore, 735 TransitionsAfterwards, 1048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.9ms, 315 PlacesBefore, 315 PlacesAfterwards, 748 TransitionsBefore, 748 TransitionsAfterwards, 1076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 862.0ms, 332 PlacesBefore, 331 PlacesAfterwards, 835 TransitionsBefore, 835 TransitionsAfterwards, 1172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 736.3ms, 342 PlacesBefore, 341 PlacesAfterwards, 859 TransitionsBefore, 859 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 924.3ms, 350 PlacesBefore, 350 PlacesAfterwards, 985 TransitionsBefore, 985 TransitionsAfterwards, 1334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 890.3ms, 366 PlacesBefore, 366 PlacesAfterwards, 1025 TransitionsBefore, 1025 TransitionsAfterwards, 1350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1161.6ms, 383 PlacesBefore, 383 PlacesAfterwards, 1087 TransitionsBefore, 1087 TransitionsAfterwards, 1422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1123.8ms, 399 PlacesBefore, 399 PlacesAfterwards, 1101 TransitionsBefore, 1101 TransitionsAfterwards, 1422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1190.0ms, 411 PlacesBefore, 411 PlacesAfterwards, 1114 TransitionsBefore, 1114 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1118.9ms, 414 PlacesBefore, 414 PlacesAfterwards, 1131 TransitionsBefore, 1131 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1282.2ms, 422 PlacesBefore, 422 PlacesAfterwards, 1174 TransitionsBefore, 1174 TransitionsAfterwards, 1462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1229.5ms, 424 PlacesBefore, 424 PlacesAfterwards, 1183 TransitionsBefore, 1183 TransitionsAfterwards, 1476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1450.6ms, 432 PlacesBefore, 432 PlacesAfterwards, 1207 TransitionsBefore, 1207 TransitionsAfterwards, 1492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1308.6ms, 445 PlacesBefore, 444 PlacesAfterwards, 1207 TransitionsBefore, 1207 TransitionsAfterwards, 1492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1297.2ms, 448 PlacesBefore, 448 PlacesAfterwards, 1261 TransitionsBefore, 1261 TransitionsAfterwards, 1548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1383.5ms, 463 PlacesBefore, 463 PlacesAfterwards, 1296 TransitionsBefore, 1296 TransitionsAfterwards, 1618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1632.1ms, 473 PlacesBefore, 473 PlacesAfterwards, 1310 TransitionsBefore, 1310 TransitionsAfterwards, 1644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1584.7ms, 488 PlacesBefore, 488 PlacesAfterwards, 1320 TransitionsBefore, 1320 TransitionsAfterwards, 1670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1504.3ms, 497 PlacesBefore, 497 PlacesAfterwards, 1348 TransitionsBefore, 1348 TransitionsAfterwards, 1712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1478.7ms, 502 PlacesBefore, 502 PlacesAfterwards, 1356 TransitionsBefore, 1356 TransitionsAfterwards, 1730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1622.5ms, 507 PlacesBefore, 507 PlacesAfterwards, 1370 TransitionsBefore, 1370 TransitionsAfterwards, 1748 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1576.7ms, 516 PlacesBefore, 516 PlacesAfterwards, 1380 TransitionsBefore, 1380 TransitionsAfterwards, 1764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1706.9ms, 524 PlacesBefore, 524 PlacesAfterwards, 1391 TransitionsBefore, 1391 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1681.8ms, 539 PlacesBefore, 539 PlacesAfterwards, 1400 TransitionsBefore, 1400 TransitionsAfterwards, 1794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1780.0ms, 543 PlacesBefore, 543 PlacesAfterwards, 1448 TransitionsBefore, 1448 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1926.8ms, 557 PlacesBefore, 557 PlacesAfterwards, 1461 TransitionsBefore, 1461 TransitionsAfterwards, 1892 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2173.7ms, 586 PlacesBefore, 586 PlacesAfterwards, 1599 TransitionsBefore, 1599 TransitionsAfterwards, 2000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2077.1ms, 585 PlacesBefore, 585 PlacesAfterwards, 1613 TransitionsBefore, 1613 TransitionsAfterwards, 2018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2285.1ms, 586 PlacesBefore, 586 PlacesAfterwards, 1615 TransitionsBefore, 1615 TransitionsAfterwards, 2024 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2749.4ms, 594 PlacesBefore, 594 PlacesAfterwards, 1635 TransitionsBefore, 1635 TransitionsAfterwards, 2038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2522.8ms, 599 PlacesBefore, 599 PlacesAfterwards, 1638 TransitionsBefore, 1638 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2571.9ms, 610 PlacesBefore, 610 PlacesAfterwards, 1651 TransitionsBefore, 1651 TransitionsAfterwards, 2044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2872.4ms, 622 PlacesBefore, 622 PlacesAfterwards, 1692 TransitionsBefore, 1692 TransitionsAfterwards, 2068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2533.1ms, 633 PlacesBefore, 633 PlacesAfterwards, 1742 TransitionsBefore, 1742 TransitionsAfterwards, 2104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2767.1ms, 642 PlacesBefore, 642 PlacesAfterwards, 1750 TransitionsBefore, 1750 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2787.0ms, 661 PlacesBefore, 661 PlacesAfterwards, 1827 TransitionsBefore, 1827 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3329.5ms, 674 PlacesBefore, 674 PlacesAfterwards, 1920 TransitionsBefore, 1920 TransitionsAfterwards, 2258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3565.6ms, 692 PlacesBefore, 692 PlacesAfterwards, 2011 TransitionsBefore, 2011 TransitionsAfterwards, 2334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3502.9ms, 706 PlacesBefore, 706 PlacesAfterwards, 2037 TransitionsBefore, 2037 TransitionsAfterwards, 2360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3664.2ms, 715 PlacesBefore, 715 PlacesAfterwards, 2048 TransitionsBefore, 2048 TransitionsAfterwards, 2374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4214.8ms, 721 PlacesBefore, 721 PlacesAfterwards, 2048 TransitionsBefore, 2048 TransitionsAfterwards, 2374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3800.1ms, 726 PlacesBefore, 726 PlacesAfterwards, 2056 TransitionsBefore, 2056 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3999.4ms, 730 PlacesBefore, 730 PlacesAfterwards, 2130 TransitionsBefore, 2130 TransitionsAfterwards, 2426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4060.1ms, 739 PlacesBefore, 739 PlacesAfterwards, 2156 TransitionsBefore, 2156 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4115.7ms, 749 PlacesBefore, 749 PlacesAfterwards, 2180 TransitionsBefore, 2180 TransitionsAfterwards, 2476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4159.8ms, 761 PlacesBefore, 759 PlacesAfterwards, 2182 TransitionsBefore, 2182 TransitionsAfterwards, 2480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4353.1ms, 765 PlacesBefore, 765 PlacesAfterwards, 2211 TransitionsBefore, 2211 TransitionsAfterwards, 2500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4261.6ms, 774 PlacesBefore, 774 PlacesAfterwards, 2222 TransitionsBefore, 2222 TransitionsAfterwards, 2516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5006.0ms, 785 PlacesBefore, 785 PlacesAfterwards, 2253 TransitionsBefore, 2253 TransitionsAfterwards, 2522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4610.0ms, 795 PlacesBefore, 795 PlacesAfterwards, 2262 TransitionsBefore, 2262 TransitionsAfterwards, 2534 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4446.0ms, 803 PlacesBefore, 803 PlacesAfterwards, 2264 TransitionsBefore, 2264 TransitionsAfterwards, 2538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4807.5ms, 807 PlacesBefore, 807 PlacesAfterwards, 2320 TransitionsBefore, 2320 TransitionsAfterwards, 2554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4593.9ms, 814 PlacesBefore, 814 PlacesAfterwards, 2324 TransitionsBefore, 2324 TransitionsAfterwards, 2556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5064.6ms, 828 PlacesBefore, 828 PlacesAfterwards, 2421 TransitionsBefore, 2421 TransitionsAfterwards, 2584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4982.7ms, 838 PlacesBefore, 838 PlacesAfterwards, 2483 TransitionsBefore, 2483 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 798974.9ms, OverallIterations: 84, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 606317.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 620.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 359 SDtfs, 1820 SDslu, 480 SDs, 0 SdLazy, 15984 SolverSat, 1255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12536.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2176 GetRequests, 722 SyntacticMatches, 78 SemanticMatches, 1376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5175 ImplicationChecksByTransitivity, 35757.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=81878occurred in iteration=83, InterpolantAutomatonStates: 1097, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 318.6ms SsaConstructionTime, 1220.5ms SatisfiabilityAnalysisTime, 26730.0ms InterpolantComputationTime, 2375 NumberOfCodeBlocks, 2375 NumberOfCodeBlocksAsserted, 234 NumberOfCheckSat, 2210 ConstructedInterpolants, 47 QuantifiedInterpolants, 29536 SizeOfPredicates, 259 NumberOfNonLiveVariables, 4797 ConjunctsInSsa, 1386 ConjunctsInUnsatCore, 165 InterpolantComputations, 3 PerfectInterpolantSequences, 96/742 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown