/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 12:07:47,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 12:07:47,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 12:07:47,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 12:07:47,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 12:07:47,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 12:07:47,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 12:07:47,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 12:07:47,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 12:07:47,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 12:07:47,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 12:07:47,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 12:07:47,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 12:07:47,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 12:07:47,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 12:07:47,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 12:07:47,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 12:07:47,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 12:07:47,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 12:07:47,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 12:07:47,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 12:07:47,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 12:07:47,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 12:07:47,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 12:07:47,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 12:07:47,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 12:07:47,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 12:07:47,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 12:07:47,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 12:07:47,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-03-25 12:07:47,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 12:07:47,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 12:07:47,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 12:07:47,256 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-RepeatedVariableLbe.epf [2021-03-25 12:07:47,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 12:07:47,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 12:07:47,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 12:07:47,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 12:07:47,295 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 12:07:47,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 12:07:47,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 12:07:47,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 12:07:47,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 12:07:47,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 12:07:47,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 12:07:47,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 12:07:47,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 12:07:47,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 12:07:47,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 12:07:47,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 12:07:47,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 12:07:47,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 12:07:47,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 12:07:47,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 12:07:47,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 12:07:47,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 12:07:47,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 12:07:47,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 12:07:47,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 12:07:47,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 12:07:47,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 12:07:47,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 12:07:47,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 12:07:47,638 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 12:07:47,639 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 12:07:47,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-03-25 12:07:47,640 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-03-25 12:07:47,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 12:07:47,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 12:07:47,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 12:07:47,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 12:07:47,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 12:07:47,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 12:07:47,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 12:07:47,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 12:07:47,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 12:07:47,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/1) ... [2021-03-25 12:07:47,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 12:07:47,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 12:07:47,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 12:07:47,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 12:07:47,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (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 [2021-03-25 12:07:47,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 12:07:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 12:07:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 12:07:47,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 12:07:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 12:07:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 12:07:47,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 12:07:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 12:07:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 12:07:47,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 12:07:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 12:07:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 12:07:47,782 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 12:07:47,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 12:07:47,953 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 12:07:47,954 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:07:47 BoogieIcfgContainer [2021-03-25 12:07:47,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 12:07:47,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 12:07:47,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 12:07:47,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 12:07:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:07:47" (1/2) ... [2021-03-25 12:07:47,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ad577d and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 12:07:47, skipping insertion in model container [2021-03-25 12:07:47,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:07:47" (2/2) ... [2021-03-25 12:07:47,960 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-03-25 12:07:47,964 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 12:07:47,967 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 12:07:47,968 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 12:07:47,999 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-25 12:07:48,014 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 12:07:48,031 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 12:07:48,031 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 12:07:48,032 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 12:07:48,032 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 12:07:48,032 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 12:07:48,032 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 12:07:48,032 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 12:07:48,032 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 12:07:48,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-03-25 12:07:48,061 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-25 12:07:48,061 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 12:07:48,064 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 5. Compared 35 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. [2021-03-25 12:07:48,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 82 flow [2021-03-25 12:07:48,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2021-03-25 12:07:48,069 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:48,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 24 transitions, 66 flow [2021-03-25 12:07:48,080 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 24 transitions, 66 flow [2021-03-25 12:07:48,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 66 flow [2021-03-25 12:07:48,090 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-03-25 12:07:48,090 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 12:07:48,091 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 31 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. [2021-03-25 12:07:48,093 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-25 12:07:48,392 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-25 12:07:48,392 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 12:07:48,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-25 12:07:48,402 INFO L129 PetriNetUnfolder]: 3/13 cut-off events. [2021-03-25 12:07:48,402 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 12:07:48,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:48,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:48,403 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:48,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:48,408 INFO L82 PathProgramCache]: Analyzing trace with hash 829867337, now seen corresponding path program 1 times [2021-03-25 12:07:48,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:48,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364327251] [2021-03-25 12:07:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:48,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:48,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:48,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:48,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364327251] [2021-03-25 12:07:48,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:07:48,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 12:07:48,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525524779] [2021-03-25 12:07:48,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:07:48,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:48,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:07:48,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:07:48,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 39 [2021-03-25 12:07:48,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:48,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 39 [2021-03-25 12:07:48,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:48,589 INFO L129 PetriNetUnfolder]: 27/48 cut-off events. [2021-03-25 12:07:48,589 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 12:07:48,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 48 events. 27/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 78 event pairs, 1 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 85. Up to 30 conditions per place. [2021-03-25 12:07:48,591 INFO L132 encePairwiseOnDemand]: 36/39 looper letters, 10 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2021-03-25 12:07:48,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 80 flow [2021-03-25 12:07:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:07:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:07:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2021-03-25 12:07:48,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5982905982905983 [2021-03-25 12:07:48,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 70 transitions. [2021-03-25 12:07:48,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 70 transitions. [2021-03-25 12:07:48,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:48,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 70 transitions. [2021-03-25 12:07:48,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,610 INFO L185 Difference]: Start difference. First operand has 21 places, 14 transitions, 46 flow. Second operand 3 states and 70 transitions. [2021-03-25 12:07:48,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 80 flow [2021-03-25 12:07:48,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-25 12:07:48,615 INFO L241 Difference]: Finished difference. Result has 18 places, 15 transitions, 46 flow [2021-03-25 12:07:48,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=18, PETRI_TRANSITIONS=15} [2021-03-25 12:07:48,617 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, -3 predicate places. [2021-03-25 12:07:48,617 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:48,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 15 transitions, 46 flow [2021-03-25 12:07:48,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 15 transitions, 46 flow [2021-03-25 12:07:48,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 15 transitions, 46 flow [2021-03-25 12:07:48,630 INFO L129 PetriNetUnfolder]: 3/15 cut-off events. [2021-03-25 12:07:48,631 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 12:07:48,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 15 events. 3/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 13. Up to 4 conditions per place. [2021-03-25 12:07:48,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-25 12:07:48,632 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:48,632 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:48,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 12:07:48,633 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 46 flow [2021-03-25 12:07:48,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:48,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:48,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 12:07:48,634 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:48,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:48,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1791964267, now seen corresponding path program 1 times [2021-03-25 12:07:48,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:48,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500239359] [2021-03-25 12:07:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:48,692 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:07:48,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:48,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:48,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:48,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:48,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:07:48,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500239359] [2021-03-25 12:07:48,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:07:48,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:07:48,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225210793] [2021-03-25 12:07:48,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:07:48,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:48,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:07:48,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 12:07:48,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 39 [2021-03-25 12:07:48,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 15 transitions, 46 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) [2021-03-25 12:07:48,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:48,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 39 [2021-03-25 12:07:48,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:48,786 INFO L129 PetriNetUnfolder]: 55/90 cut-off events. [2021-03-25 12:07:48,787 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 12:07:48,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 90 events. 55/90 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 206 event pairs, 14 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 196. Up to 57 conditions per place. [2021-03-25 12:07:48,794 INFO L132 encePairwiseOnDemand]: 35/39 looper letters, 16 selfloop transitions, 4 changer transitions 0/27 dead transitions. [2021-03-25 12:07:48,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 27 transitions, 124 flow [2021-03-25 12:07:48,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:07:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:07:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2021-03-25 12:07:48,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6089743589743589 [2021-03-25 12:07:48,802 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 95 transitions. [2021-03-25 12:07:48,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 95 transitions. [2021-03-25 12:07:48,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:48,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 95 transitions. [2021-03-25 12:07:48,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,804 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:48,804 INFO L185 Difference]: Start difference. First operand has 18 places, 15 transitions, 46 flow. Second operand 4 states and 95 transitions. [2021-03-25 12:07:48,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 27 transitions, 124 flow [2021-03-25 12:07:48,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 27 transitions, 120 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:07:48,806 INFO L241 Difference]: Finished difference. Result has 22 places, 18 transitions, 71 flow [2021-03-25 12:07:48,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=71, PETRI_PLACES=22, PETRI_TRANSITIONS=18} [2021-03-25 12:07:48,806 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2021-03-25 12:07:48,806 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:48,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 18 transitions, 71 flow [2021-03-25 12:07:48,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 18 transitions, 71 flow [2021-03-25 12:07:48,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 18 transitions, 71 flow [2021-03-25 12:07:48,811 INFO L129 PetriNetUnfolder]: 8/26 cut-off events. [2021-03-25 12:07:48,811 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 12:07:48,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 26 events. 8/26 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 1 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 39. Up to 10 conditions per place. [2021-03-25 12:07:48,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-25 12:07:48,816 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:48,816 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:48,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 12:07:48,818 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 71 flow [2021-03-25 12:07:48,818 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) [2021-03-25 12:07:48,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:48,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:48,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 12:07:48,818 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash 901446355, now seen corresponding path program 1 times [2021-03-25 12:07:48,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:48,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423839235] [2021-03-25 12:07:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:48,954 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 12:07:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:07:49,011 INFO L142 QuantifierPusher]: treesize reduction 18, result has 75.0 percent of original size [2021-03-25 12:07:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 12:07:49,070 INFO L142 QuantifierPusher]: treesize reduction 31, result has 61.7 percent of original size [2021-03-25 12:07:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 12:07:49,136 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 12:07:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:07:49,172 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:07:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:49,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423839235] [2021-03-25 12:07:49,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927217885] [2021-03-25 12:07:49,174 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 [2021-03-25 12:07:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:49,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-25 12:07:49,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:49,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:49,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:49,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:49,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:49,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:49,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:49,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:49,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:49,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,453 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-25 12:07:49,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:49,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:49,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:07:49,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,475 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:07:49,479 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,487 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 12:07:49,489 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-25 12:07:49,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:07:49,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 12:07:49,491 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 12:07:49,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:49,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:49,511 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 12:07:49,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:49,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:49,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,529 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:07:49,534 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:49,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-03-25 12:07:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:49,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:49,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:49,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 12:07:49,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709651641] [2021-03-25 12:07:49,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:07:49,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:49,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:07:49,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:07:49,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-03-25 12:07:49,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 71 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:49,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:49,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-03-25 12:07:49,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:49,839 INFO L129 PetriNetUnfolder]: 83/148 cut-off events. [2021-03-25 12:07:49,839 INFO L130 PetriNetUnfolder]: For 78/80 co-relation queries the response was YES. [2021-03-25 12:07:49,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 148 events. 83/148 cut-off events. For 78/80 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 444 event pairs, 6 based on Foata normal form. 3/134 useless extension candidates. Maximal degree in co-relation 378. Up to 99 conditions per place. [2021-03-25 12:07:49,843 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 18 selfloop transitions, 14 changer transitions 0/38 dead transitions. [2021-03-25 12:07:49,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 38 transitions, 212 flow [2021-03-25 12:07:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:07:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:07:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 127 transitions. [2021-03-25 12:07:49,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4652014652014652 [2021-03-25 12:07:49,849 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 127 transitions. [2021-03-25 12:07:49,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 127 transitions. [2021-03-25 12:07:49,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:49,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 127 transitions. [2021-03-25 12:07:49,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:49,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 39.0) internal successors, (312), 8 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:49,854 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 39.0) internal successors, (312), 8 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:49,854 INFO L185 Difference]: Start difference. First operand has 22 places, 18 transitions, 71 flow. Second operand 7 states and 127 transitions. [2021-03-25 12:07:49,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 38 transitions, 212 flow [2021-03-25 12:07:49,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 38 transitions, 210 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 12:07:49,856 INFO L241 Difference]: Finished difference. Result has 31 places, 31 transitions, 183 flow [2021-03-25 12:07:49,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=183, PETRI_PLACES=31, PETRI_TRANSITIONS=31} [2021-03-25 12:07:49,857 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 10 predicate places. [2021-03-25 12:07:49,857 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:49,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 31 transitions, 183 flow [2021-03-25 12:07:49,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 31 transitions, 183 flow [2021-03-25 12:07:49,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 31 transitions, 183 flow [2021-03-25 12:07:49,867 INFO L129 PetriNetUnfolder]: 26/64 cut-off events. [2021-03-25 12:07:49,867 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-03-25 12:07:49,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 64 events. 26/64 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 176 event pairs, 1 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 156. Up to 29 conditions per place. [2021-03-25 12:07:49,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-25 12:07:49,934 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 12:07:49,934 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:07:49,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-25 12:07:49,937 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 184 flow [2021-03-25 12:07:49,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:49,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:49,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:50,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-25 12:07:50,164 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash -53871413, now seen corresponding path program 2 times [2021-03-25 12:07:50,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:50,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688992960] [2021-03-25 12:07:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:50,227 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-03-25 12:07:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:07:50,258 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-25 12:07:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:50,292 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:07:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:50,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688992960] [2021-03-25 12:07:50,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377615340] [2021-03-25 12:07:50,302 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 [2021-03-25 12:07:50,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:07:50,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:50,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 12:07:50,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:50,395 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 12:07:50,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:50,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:50,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:07:50,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:50,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:50,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:50,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:07:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:50,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:07:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:50,452 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 15 treesize of output 11 [2021-03-25 12:07:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:50,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:07:50,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:07:50,461 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-03-25 12:07:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:50,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:50,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-25 12:07:50,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885169475] [2021-03-25 12:07:50,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:50,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:50,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:50,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:50,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-03-25 12:07:50,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 31 transitions, 184 flow. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:50,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:50,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-03-25 12:07:50,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:50,616 INFO L129 PetriNetUnfolder]: 89/165 cut-off events. [2021-03-25 12:07:50,616 INFO L130 PetriNetUnfolder]: For 286/314 co-relation queries the response was YES. [2021-03-25 12:07:50,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 165 events. 89/165 cut-off events. For 286/314 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 553 event pairs, 24 based on Foata normal form. 10/167 useless extension candidates. Maximal degree in co-relation 542. Up to 131 conditions per place. [2021-03-25 12:07:50,618 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 24 selfloop transitions, 12 changer transitions 0/42 dead transitions. [2021-03-25 12:07:50,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 42 transitions, 330 flow [2021-03-25 12:07:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 12:07:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 12:07:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2021-03-25 12:07:50,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-25 12:07:50,620 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 108 transitions. [2021-03-25 12:07:50,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 108 transitions. [2021-03-25 12:07:50,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:50,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 108 transitions. [2021-03-25 12:07:50,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.0) internal successors, (108), 6 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) [2021-03-25 12:07:50,623 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) [2021-03-25 12:07:50,624 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) [2021-03-25 12:07:50,624 INFO L185 Difference]: Start difference. First operand has 31 places, 31 transitions, 184 flow. Second operand 6 states and 108 transitions. [2021-03-25 12:07:50,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 42 transitions, 330 flow [2021-03-25 12:07:50,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 42 transitions, 310 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-03-25 12:07:50,634 INFO L241 Difference]: Finished difference. Result has 39 places, 39 transitions, 270 flow [2021-03-25 12:07:50,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=39, PETRI_TRANSITIONS=39} [2021-03-25 12:07:50,635 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 18 predicate places. [2021-03-25 12:07:50,635 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:50,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 39 transitions, 270 flow [2021-03-25 12:07:50,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 39 transitions, 270 flow [2021-03-25 12:07:50,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 39 transitions, 270 flow [2021-03-25 12:07:50,646 INFO L129 PetriNetUnfolder]: 36/94 cut-off events. [2021-03-25 12:07:50,646 INFO L130 PetriNetUnfolder]: For 102/107 co-relation queries the response was YES. [2021-03-25 12:07:50,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 94 events. 36/94 cut-off events. For 102/107 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 342 event pairs, 3 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 249. Up to 38 conditions per place. [2021-03-25 12:07:50,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 12:07:50,705 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:07:50,706 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:07:50,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-25 12:07:50,706 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 275 flow [2021-03-25 12:07:50,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:50,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:50,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:50,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:50,924 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:50,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:50,924 INFO L82 PathProgramCache]: Analyzing trace with hash 436452197, now seen corresponding path program 3 times [2021-03-25 12:07:50,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:50,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381743833] [2021-03-25 12:07:50,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:50,989 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 12:07:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:07:51,036 INFO L142 QuantifierPusher]: treesize reduction 18, result has 75.0 percent of original size [2021-03-25 12:07:51,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 12:07:51,082 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-03-25 12:07:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:07:51,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:51,102 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:07:51,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:51,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381743833] [2021-03-25 12:07:51,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026950329] [2021-03-25 12:07:51,117 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) [2021-03-25 12:07:51,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:07:51,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:51,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 12:07:51,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:51,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:51,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:51,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-25 12:07:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:07:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:51,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:51,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 12:07:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:51,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:51,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:51,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:51,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:51,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:51,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:07:51,272 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 [2021-03-25 12:07:51,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:51,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:51,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:07:51,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:07:51,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-03-25 12:07:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:51,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:51,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 12:07:51,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124171657] [2021-03-25 12:07:51,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:07:51,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:51,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:07:51,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:07:51,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2021-03-25 12:07:51,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 39 transitions, 275 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:51,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:51,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2021-03-25 12:07:51,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:51,510 INFO L129 PetriNetUnfolder]: 92/177 cut-off events. [2021-03-25 12:07:51,511 INFO L130 PetriNetUnfolder]: For 299/337 co-relation queries the response was YES. [2021-03-25 12:07:51,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 177 events. 92/177 cut-off events. For 299/337 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 625 event pairs, 9 based on Foata normal form. 18/189 useless extension candidates. Maximal degree in co-relation 611. Up to 126 conditions per place. [2021-03-25 12:07:51,512 INFO L132 encePairwiseOnDemand]: 32/41 looper letters, 22 selfloop transitions, 26 changer transitions 2/56 dead transitions. [2021-03-25 12:07:51,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 499 flow [2021-03-25 12:07:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:07:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:07:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-25 12:07:51,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45993031358885017 [2021-03-25 12:07:51,514 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-25 12:07:51,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-25 12:07:51,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:51,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-25 12:07:51,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:51,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:51,515 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:51,515 INFO L185 Difference]: Start difference. First operand has 39 places, 39 transitions, 275 flow. Second operand 7 states and 132 transitions. [2021-03-25 12:07:51,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 499 flow [2021-03-25 12:07:51,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 56 transitions, 476 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 12:07:51,519 INFO L241 Difference]: Finished difference. Result has 44 places, 51 transitions, 420 flow [2021-03-25 12:07:51,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=420, PETRI_PLACES=44, PETRI_TRANSITIONS=51} [2021-03-25 12:07:51,519 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 23 predicate places. [2021-03-25 12:07:51,519 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:51,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 51 transitions, 420 flow [2021-03-25 12:07:51,520 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 51 transitions, 420 flow [2021-03-25 12:07:51,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 51 transitions, 420 flow [2021-03-25 12:07:51,527 INFO L129 PetriNetUnfolder]: 45/112 cut-off events. [2021-03-25 12:07:51,527 INFO L130 PetriNetUnfolder]: For 210/220 co-relation queries the response was YES. [2021-03-25 12:07:51,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 112 events. 45/112 cut-off events. For 210/220 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 438 event pairs, 0 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 336. Up to 44 conditions per place. [2021-03-25 12:07:51,529 INFO L142 LiptonReduction]: Number of co-enabled transitions 156 [2021-03-25 12:07:51,533 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:51,533 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:51,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 12:07:51,534 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 51 transitions, 420 flow [2021-03-25 12:07:51,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:51,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:51,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:51,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:51,744 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:51,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:51,744 INFO L82 PathProgramCache]: Analyzing trace with hash -2053775437, now seen corresponding path program 1 times [2021-03-25 12:07:51,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:51,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786522551] [2021-03-25 12:07:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:51,770 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:07:51,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:51,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:51,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:51,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:51,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786522551] [2021-03-25 12:07:51,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601129353] [2021-03-25 12:07:51,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:07:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:51,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:51,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:51,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:51,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:51,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,857 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:07:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:51,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:51,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:51,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:51,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:51,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:51,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:51,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:51,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:51,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:51,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 12:07:51,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799204677] [2021-03-25 12:07:51,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:51,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:51,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:51,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:51,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41 [2021-03-25 12:07:51,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 51 transitions, 420 flow. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:51,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:51,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41 [2021-03-25 12:07:51,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:52,064 INFO L129 PetriNetUnfolder]: 111/211 cut-off events. [2021-03-25 12:07:52,064 INFO L130 PetriNetUnfolder]: For 574/636 co-relation queries the response was YES. [2021-03-25 12:07:52,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 211 events. 111/211 cut-off events. For 574/636 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 780 event pairs, 3 based on Foata normal form. 26/236 useless extension candidates. Maximal degree in co-relation 791. Up to 84 conditions per place. [2021-03-25 12:07:52,068 INFO L132 encePairwiseOnDemand]: 34/41 looper letters, 44 selfloop transitions, 41 changer transitions 2/94 dead transitions. [2021-03-25 12:07:52,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 94 transitions, 862 flow [2021-03-25 12:07:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:07:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:07:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 235 transitions. [2021-03-25 12:07:52,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5210643015521065 [2021-03-25 12:07:52,069 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 235 transitions. [2021-03-25 12:07:52,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 235 transitions. [2021-03-25 12:07:52,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:52,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 235 transitions. [2021-03-25 12:07:52,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 21.363636363636363) internal successors, (235), 11 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 41.0) internal successors, (492), 12 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,073 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 41.0) internal successors, (492), 12 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,073 INFO L185 Difference]: Start difference. First operand has 44 places, 51 transitions, 420 flow. Second operand 11 states and 235 transitions. [2021-03-25 12:07:52,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 94 transitions, 862 flow [2021-03-25 12:07:52,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 94 transitions, 782 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-25 12:07:52,081 INFO L241 Difference]: Finished difference. Result has 51 places, 69 transitions, 566 flow [2021-03-25 12:07:52,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=566, PETRI_PLACES=51, PETRI_TRANSITIONS=69} [2021-03-25 12:07:52,081 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 30 predicate places. [2021-03-25 12:07:52,081 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:52,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 69 transitions, 566 flow [2021-03-25 12:07:52,082 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 69 transitions, 566 flow [2021-03-25 12:07:52,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 69 transitions, 566 flow [2021-03-25 12:07:52,095 INFO L129 PetriNetUnfolder]: 73/167 cut-off events. [2021-03-25 12:07:52,095 INFO L130 PetriNetUnfolder]: For 293/295 co-relation queries the response was YES. [2021-03-25 12:07:52,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 167 events. 73/167 cut-off events. For 293/295 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 697 event pairs, 2 based on Foata normal form. 2/168 useless extension candidates. Maximal degree in co-relation 522. Up to 66 conditions per place. [2021-03-25 12:07:52,097 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-25 12:07:52,104 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:52,104 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:52,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 12:07:52,106 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 69 transitions, 566 flow [2021-03-25 12:07:52,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:52,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:52,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:52,328 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:52,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:52,329 INFO L82 PathProgramCache]: Analyzing trace with hash -807815567, now seen corresponding path program 2 times [2021-03-25 12:07:52,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:52,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763426665] [2021-03-25 12:07:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:52,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:07:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:52,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763426665] [2021-03-25 12:07:52,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211036507] [2021-03-25 12:07:52,373 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:07:52,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:07:52,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:52,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:52,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:52,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,470 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:07:52,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:52,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:52,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:52,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 12:07:52,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934514199] [2021-03-25 12:07:52,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:52,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:52,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:52,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:52,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41 [2021-03-25 12:07:52,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 69 transitions, 566 flow. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:52,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41 [2021-03-25 12:07:52,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:52,593 INFO L129 PetriNetUnfolder]: 118/223 cut-off events. [2021-03-25 12:07:52,593 INFO L130 PetriNetUnfolder]: For 513/577 co-relation queries the response was YES. [2021-03-25 12:07:52,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 223 events. 118/223 cut-off events. For 513/577 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 830 event pairs, 6 based on Foata normal form. 29/251 useless extension candidates. Maximal degree in co-relation 883. Up to 92 conditions per place. [2021-03-25 12:07:52,595 INFO L132 encePairwiseOnDemand]: 35/41 looper letters, 44 selfloop transitions, 34 changer transitions 0/85 dead transitions. [2021-03-25 12:07:52,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 85 transitions, 812 flow [2021-03-25 12:07:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:07:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:07:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-25 12:07:52,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5365853658536586 [2021-03-25 12:07:52,597 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-25 12:07:52,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-25 12:07:52,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:52,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-25 12:07:52,597 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) [2021-03-25 12:07:52,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,598 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,598 INFO L185 Difference]: Start difference. First operand has 51 places, 69 transitions, 566 flow. Second operand 7 states and 154 transitions. [2021-03-25 12:07:52,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 85 transitions, 812 flow [2021-03-25 12:07:52,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 730 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-03-25 12:07:52,603 INFO L241 Difference]: Finished difference. Result has 56 places, 71 transitions, 577 flow [2021-03-25 12:07:52,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=577, PETRI_PLACES=56, PETRI_TRANSITIONS=71} [2021-03-25 12:07:52,604 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 35 predicate places. [2021-03-25 12:07:52,604 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:52,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 71 transitions, 577 flow [2021-03-25 12:07:52,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 71 transitions, 577 flow [2021-03-25 12:07:52,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 71 transitions, 577 flow [2021-03-25 12:07:52,614 INFO L129 PetriNetUnfolder]: 72/170 cut-off events. [2021-03-25 12:07:52,614 INFO L130 PetriNetUnfolder]: For 242/249 co-relation queries the response was YES. [2021-03-25 12:07:52,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 170 events. 72/170 cut-off events. For 242/249 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 730 event pairs, 2 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 484. Up to 70 conditions per place. [2021-03-25 12:07:52,616 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-25 12:07:52,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:52,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:52,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-25 12:07:52,624 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 71 transitions, 577 flow [2021-03-25 12:07:52,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:52,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:52,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:52,840 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:52,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:52,840 INFO L82 PathProgramCache]: Analyzing trace with hash -250805210, now seen corresponding path program 1 times [2021-03-25 12:07:52,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:52,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580806928] [2021-03-25 12:07:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:52,857 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:52,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:52,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:52,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580806928] [2021-03-25 12:07:52,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877094131] [2021-03-25 12:07:52,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:07:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:52,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:52,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:52,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:52,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:07:52,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:52,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:52,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:52,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:52,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:52,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:52,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:52,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:52,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:52,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:52,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 12:07:52,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908591737] [2021-03-25 12:07:52,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 12:07:52,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:52,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 12:07:52,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 12:07:52,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 41 [2021-03-25 12:07:52,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 71 transitions, 577 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:52,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:52,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 41 [2021-03-25 12:07:52,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:53,081 INFO L129 PetriNetUnfolder]: 124/241 cut-off events. [2021-03-25 12:07:53,081 INFO L130 PetriNetUnfolder]: For 492/539 co-relation queries the response was YES. [2021-03-25 12:07:53,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 241 events. 124/241 cut-off events. For 492/539 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 953 event pairs, 3 based on Foata normal form. 38/278 useless extension candidates. Maximal degree in co-relation 902. Up to 150 conditions per place. [2021-03-25 12:07:53,084 INFO L132 encePairwiseOnDemand]: 32/41 looper letters, 51 selfloop transitions, 35 changer transitions 2/95 dead transitions. [2021-03-25 12:07:53,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 95 transitions, 900 flow [2021-03-25 12:07:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 12:07:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 12:07:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 183 transitions. [2021-03-25 12:07:53,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4959349593495935 [2021-03-25 12:07:53,086 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 183 transitions. [2021-03-25 12:07:53,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 183 transitions. [2021-03-25 12:07:53,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:53,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 183 transitions. [2021-03-25 12:07:53,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.333333333333332) internal successors, (183), 9 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) [2021-03-25 12:07:53,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 41.0) internal successors, (410), 10 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:53,087 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 41.0) internal successors, (410), 10 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:53,087 INFO L185 Difference]: Start difference. First operand has 56 places, 71 transitions, 577 flow. Second operand 9 states and 183 transitions. [2021-03-25 12:07:53,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 95 transitions, 900 flow [2021-03-25 12:07:53,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 95 transitions, 853 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 12:07:53,094 INFO L241 Difference]: Finished difference. Result has 64 places, 82 transitions, 728 flow [2021-03-25 12:07:53,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=728, PETRI_PLACES=64, PETRI_TRANSITIONS=82} [2021-03-25 12:07:53,094 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 43 predicate places. [2021-03-25 12:07:53,094 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:53,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 82 transitions, 728 flow [2021-03-25 12:07:53,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 82 transitions, 728 flow [2021-03-25 12:07:53,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 82 transitions, 728 flow [2021-03-25 12:07:53,110 INFO L129 PetriNetUnfolder]: 76/177 cut-off events. [2021-03-25 12:07:53,110 INFO L130 PetriNetUnfolder]: For 376/383 co-relation queries the response was YES. [2021-03-25 12:07:53,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 177 events. 76/177 cut-off events. For 376/383 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 776 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 605. Up to 75 conditions per place. [2021-03-25 12:07:53,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-25 12:07:53,153 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 12:07:53,153 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:07:53,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-25 12:07:53,154 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 82 transitions, 733 flow [2021-03-25 12:07:53,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:53,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:53,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:53,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:53,360 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:53,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1666497221, now seen corresponding path program 4 times [2021-03-25 12:07:53,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:53,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214712200] [2021-03-25 12:07:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:53,421 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 12:07:53,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:07:53,449 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-25 12:07:53,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:53,459 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 12:07:53,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:07:53,468 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:07:53,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:53,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214712200] [2021-03-25 12:07:53,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605608450] [2021-03-25 12:07:53,475 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:53,497 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:07:53,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:53,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 12:07:53,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:53,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:53,524 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 12:07:53,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:07:53,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:53,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:07:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,599 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.0 percent of original size [2021-03-25 12:07:53,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 12:07:53,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:07:53,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 12:07:53,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:07:53,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:07:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:07:53,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 12:07:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:07:53,615 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-25 12:07:53,615 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 37 treesize of output 31 [2021-03-25 12:07:53,616 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 12:07:53,618 INFO L147 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size 10 [2021-03-25 12:07:53,618 INFO L142 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-03-25 12:07:53,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:53,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:07:53,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:07:53,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:7 [2021-03-25 12:07:53,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:53,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:53,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 12:07:53,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836580134] [2021-03-25 12:07:53,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:07:53,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:53,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:07:53,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:07:53,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 42 [2021-03-25 12:07:53,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 82 transitions, 733 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:53,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:53,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 42 [2021-03-25 12:07:53,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:53,826 INFO L129 PetriNetUnfolder]: 130/250 cut-off events. [2021-03-25 12:07:53,826 INFO L130 PetriNetUnfolder]: For 702/738 co-relation queries the response was YES. [2021-03-25 12:07:53,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1166 conditions, 250 events. 130/250 cut-off events. For 702/738 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 982 event pairs, 12 based on Foata normal form. 15/265 useless extension candidates. Maximal degree in co-relation 1089. Up to 200 conditions per place. [2021-03-25 12:07:53,830 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 70 selfloop transitions, 15 changer transitions 2/93 dead transitions. [2021-03-25 12:07:53,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 93 transitions, 985 flow [2021-03-25 12:07:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 12:07:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 12:07:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2021-03-25 12:07:53,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-03-25 12:07:53,832 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 109 transitions. [2021-03-25 12:07:53,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 109 transitions. [2021-03-25 12:07:53,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:53,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 109 transitions. [2021-03-25 12:07:53,833 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) [2021-03-25 12:07:53,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 42.0) internal successors, (294), 7 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:53,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 42.0) internal successors, (294), 7 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:53,834 INFO L185 Difference]: Start difference. First operand has 64 places, 82 transitions, 733 flow. Second operand 6 states and 109 transitions. [2021-03-25 12:07:53,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 93 transitions, 985 flow [2021-03-25 12:07:53,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 93 transitions, 954 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 12:07:53,841 INFO L241 Difference]: Finished difference. Result has 68 places, 88 transitions, 793 flow [2021-03-25 12:07:53,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=68, PETRI_TRANSITIONS=88} [2021-03-25 12:07:53,842 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 47 predicate places. [2021-03-25 12:07:53,842 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:53,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 88 transitions, 793 flow [2021-03-25 12:07:53,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 88 transitions, 793 flow [2021-03-25 12:07:53,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 88 transitions, 793 flow [2021-03-25 12:07:53,855 INFO L129 PetriNetUnfolder]: 88/205 cut-off events. [2021-03-25 12:07:53,856 INFO L130 PetriNetUnfolder]: For 453/473 co-relation queries the response was YES. [2021-03-25 12:07:53,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 205 events. 88/205 cut-off events. For 453/473 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 922 event pairs, 0 based on Foata normal form. 4/207 useless extension candidates. Maximal degree in co-relation 704. Up to 84 conditions per place. [2021-03-25 12:07:53,858 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-25 12:07:53,921 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:53,921 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:07:53,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-25 12:07:53,921 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 88 transitions, 797 flow [2021-03-25 12:07:53,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 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) [2021-03-25 12:07:53,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:53,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:54,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:54,136 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:54,136 INFO L82 PathProgramCache]: Analyzing trace with hash 100442105, now seen corresponding path program 1 times [2021-03-25 12:07:54,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:54,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780483823] [2021-03-25 12:07:54,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:54,149 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:54,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:54,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:07:54,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780483823] [2021-03-25 12:07:54,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:07:54,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:07:54,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996154328] [2021-03-25 12:07:54,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:07:54,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:54,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:07:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 12:07:54,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2021-03-25 12:07:54,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 88 transitions, 797 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:54,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2021-03-25 12:07:54,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:54,215 INFO L129 PetriNetUnfolder]: 127/242 cut-off events. [2021-03-25 12:07:54,215 INFO L130 PetriNetUnfolder]: For 751/786 co-relation queries the response was YES. [2021-03-25 12:07:54,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1177 conditions, 242 events. 127/242 cut-off events. For 751/786 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 981 event pairs, 0 based on Foata normal form. 29/270 useless extension candidates. Maximal degree in co-relation 1103. Up to 114 conditions per place. [2021-03-25 12:07:54,218 INFO L132 encePairwiseOnDemand]: 37/43 looper letters, 98 selfloop transitions, 17 changer transitions 3/125 dead transitions. [2021-03-25 12:07:54,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 125 transitions, 1334 flow [2021-03-25 12:07:54,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:07:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:07:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2021-03-25 12:07:54,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2021-03-25 12:07:54,219 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 110 transitions. [2021-03-25 12:07:54,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 110 transitions. [2021-03-25 12:07:54,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:54,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 110 transitions. [2021-03-25 12:07:54,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,220 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,220 INFO L185 Difference]: Start difference. First operand has 68 places, 88 transitions, 797 flow. Second operand 5 states and 110 transitions. [2021-03-25 12:07:54,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 125 transitions, 1334 flow [2021-03-25 12:07:54,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 125 transitions, 1309 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-25 12:07:54,227 INFO L241 Difference]: Finished difference. Result has 70 places, 87 transitions, 786 flow [2021-03-25 12:07:54,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=786, PETRI_PLACES=70, PETRI_TRANSITIONS=87} [2021-03-25 12:07:54,228 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 49 predicate places. [2021-03-25 12:07:54,228 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:54,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 87 transitions, 786 flow [2021-03-25 12:07:54,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 87 transitions, 786 flow [2021-03-25 12:07:54,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 87 transitions, 786 flow [2021-03-25 12:07:54,244 INFO L129 PetriNetUnfolder]: 83/197 cut-off events. [2021-03-25 12:07:54,244 INFO L130 PetriNetUnfolder]: For 419/424 co-relation queries the response was YES. [2021-03-25 12:07:54,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 197 events. 83/197 cut-off events. For 419/424 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 913 event pairs, 0 based on Foata normal form. 1/198 useless extension candidates. Maximal degree in co-relation 685. Up to 75 conditions per place. [2021-03-25 12:07:54,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-25 12:07:54,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:54,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:54,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-25 12:07:54,257 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 87 transitions, 786 flow [2021-03-25 12:07:54,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:54,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:54,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 12:07:54,258 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:54,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:54,258 INFO L82 PathProgramCache]: Analyzing trace with hash -801679778, now seen corresponding path program 1 times [2021-03-25 12:07:54,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:54,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125268188] [2021-03-25 12:07:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:54,270 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 12:07:54,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:54,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:54,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:54,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:54,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:54,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125268188] [2021-03-25 12:07:54,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371956446] [2021-03-25 12:07:54,290 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 [2021-03-25 12:07:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:54,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:54,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:54,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:54,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:54,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:07:54,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:54,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:54,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:54,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:54,378 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:07:54,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:54,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:54,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:54,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:54,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 12:07:54,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482060993] [2021-03-25 12:07:54,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:54,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:54,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:54,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:54,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:54,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 87 transitions, 786 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:54,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:54,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:54,487 INFO L129 PetriNetUnfolder]: 131/260 cut-off events. [2021-03-25 12:07:54,487 INFO L130 PetriNetUnfolder]: For 824/846 co-relation queries the response was YES. [2021-03-25 12:07:54,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 260 events. 131/260 cut-off events. For 824/846 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1072 event pairs, 13 based on Foata normal form. 18/278 useless extension candidates. Maximal degree in co-relation 1157. Up to 178 conditions per place. [2021-03-25 12:07:54,490 INFO L132 encePairwiseOnDemand]: 35/43 looper letters, 69 selfloop transitions, 23 changer transitions 0/99 dead transitions. [2021-03-25 12:07:54,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 99 transitions, 1073 flow [2021-03-25 12:07:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:07:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:07:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2021-03-25 12:07:54,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46511627906976744 [2021-03-25 12:07:54,491 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 140 transitions. [2021-03-25 12:07:54,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 140 transitions. [2021-03-25 12:07:54,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:54,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 140 transitions. [2021-03-25 12:07:54,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 43.0) internal successors, (344), 8 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,493 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 43.0) internal successors, (344), 8 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,493 INFO L185 Difference]: Start difference. First operand has 69 places, 87 transitions, 786 flow. Second operand 7 states and 140 transitions. [2021-03-25 12:07:54,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 99 transitions, 1073 flow [2021-03-25 12:07:54,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 99 transitions, 1053 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 12:07:54,499 INFO L241 Difference]: Finished difference. Result has 76 places, 93 transitions, 880 flow [2021-03-25 12:07:54,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=880, PETRI_PLACES=76, PETRI_TRANSITIONS=93} [2021-03-25 12:07:54,500 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 55 predicate places. [2021-03-25 12:07:54,500 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:54,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 93 transitions, 880 flow [2021-03-25 12:07:54,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 93 transitions, 880 flow [2021-03-25 12:07:54,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 93 transitions, 880 flow [2021-03-25 12:07:54,514 INFO L129 PetriNetUnfolder]: 86/202 cut-off events. [2021-03-25 12:07:54,515 INFO L130 PetriNetUnfolder]: For 482/490 co-relation queries the response was YES. [2021-03-25 12:07:54,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 202 events. 86/202 cut-off events. For 482/490 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 927 event pairs, 0 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 777. Up to 79 conditions per place. [2021-03-25 12:07:54,517 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-25 12:07:54,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:54,531 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:54,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 12:07:54,531 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 93 transitions, 880 flow [2021-03-25 12:07:54,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:54,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:54,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:54,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-25 12:07:54,754 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:54,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash -412224587, now seen corresponding path program 5 times [2021-03-25 12:07:54,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:54,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845417798] [2021-03-25 12:07:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:54,784 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 12:07:54,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:07:54,812 INFO L142 QuantifierPusher]: treesize reduction 22, result has 73.2 percent of original size [2021-03-25 12:07:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 12:07:54,851 INFO L142 QuantifierPusher]: treesize reduction 31, result has 61.3 percent of original size [2021-03-25 12:07:54,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 12:07:54,883 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 12:07:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:54,904 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:07:54,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:54,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845417798] [2021-03-25 12:07:54,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245464337] [2021-03-25 12:07:54,913 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 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 [2021-03-25 12:07:54,944 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:07:54,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:54,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 12:07:54,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:07:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:54,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:54,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:07:55,002 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,003 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-25 12:07:55,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:55,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:55,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:07:55,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:55,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:07:55,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2021-03-25 12:07:55,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:55,028 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 12:07:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:07:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:07:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:07:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,037 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:07:55,039 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:55,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:55,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-03-25 12:07:55,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089954360] [2021-03-25 12:07:55,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:07:55,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:55,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:07:55,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:07:55,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2021-03-25 12:07:55,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 93 transitions, 880 flow. Second operand has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 11 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:55,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2021-03-25 12:07:55,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:55,322 INFO L129 PetriNetUnfolder]: 161/310 cut-off events. [2021-03-25 12:07:55,322 INFO L130 PetriNetUnfolder]: For 1086/1112 co-relation queries the response was YES. [2021-03-25 12:07:55,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 310 events. 161/310 cut-off events. For 1086/1112 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1324 event pairs, 14 based on Foata normal form. 13/323 useless extension candidates. Maximal degree in co-relation 1472. Up to 223 conditions per place. [2021-03-25 12:07:55,326 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 82 selfloop transitions, 34 changer transitions 1/123 dead transitions. [2021-03-25 12:07:55,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 123 transitions, 1403 flow [2021-03-25 12:07:55,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:07:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:07:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 134 transitions. [2021-03-25 12:07:55,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44518272425249167 [2021-03-25 12:07:55,327 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 134 transitions. [2021-03-25 12:07:55,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 134 transitions. [2021-03-25 12:07:55,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:55,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 134 transitions. [2021-03-25 12:07:55,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 43.0) internal successors, (344), 8 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,328 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 43.0) internal successors, (344), 8 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,328 INFO L185 Difference]: Start difference. First operand has 76 places, 93 transitions, 880 flow. Second operand 7 states and 134 transitions. [2021-03-25 12:07:55,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 123 transitions, 1403 flow [2021-03-25 12:07:55,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 123 transitions, 1371 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-03-25 12:07:55,337 INFO L241 Difference]: Finished difference. Result has 85 places, 114 transitions, 1199 flow [2021-03-25 12:07:55,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1199, PETRI_PLACES=85, PETRI_TRANSITIONS=114} [2021-03-25 12:07:55,338 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 64 predicate places. [2021-03-25 12:07:55,338 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:55,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 114 transitions, 1199 flow [2021-03-25 12:07:55,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 114 transitions, 1199 flow [2021-03-25 12:07:55,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 114 transitions, 1199 flow [2021-03-25 12:07:55,366 INFO L129 PetriNetUnfolder]: 113/243 cut-off events. [2021-03-25 12:07:55,366 INFO L130 PetriNetUnfolder]: For 908/918 co-relation queries the response was YES. [2021-03-25 12:07:55,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1158 conditions, 243 events. 113/243 cut-off events. For 908/918 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1134 event pairs, 0 based on Foata normal form. 2/243 useless extension candidates. Maximal degree in co-relation 1069. Up to 94 conditions per place. [2021-03-25 12:07:55,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-25 12:07:55,375 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:55,375 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:55,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 12:07:55,376 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 114 transitions, 1199 flow [2021-03-25 12:07:55,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 11 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:55,376 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:55,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:55,592 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:55,592 INFO L82 PathProgramCache]: Analyzing trace with hash 607572215, now seen corresponding path program 6 times [2021-03-25 12:07:55,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:55,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776595699] [2021-03-25 12:07:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:55,610 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:55,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,622 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:55,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776595699] [2021-03-25 12:07:55,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993049682] [2021-03-25 12:07:55,642 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:55,668 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 12:07:55,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:55,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:55,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:55,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:55,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:55,728 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:07:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:55,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:55,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:55,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:55,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:55,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:55,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:07:55,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040270627] [2021-03-25 12:07:55,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:07:55,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:55,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:07:55,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:07:55,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:55,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 114 transitions, 1199 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 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) [2021-03-25 12:07:55,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:55,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:55,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:55,955 INFO L129 PetriNetUnfolder]: 199/386 cut-off events. [2021-03-25 12:07:55,955 INFO L130 PetriNetUnfolder]: For 1739/1793 co-relation queries the response was YES. [2021-03-25 12:07:55,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2109 conditions, 386 events. 199/386 cut-off events. For 1739/1793 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1789 event pairs, 14 based on Foata normal form. 37/423 useless extension candidates. Maximal degree in co-relation 1992. Up to 235 conditions per place. [2021-03-25 12:07:55,960 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 97 selfloop transitions, 48 changer transitions 0/152 dead transitions. [2021-03-25 12:07:55,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 152 transitions, 1858 flow [2021-03-25 12:07:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:07:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:07:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 226 transitions. [2021-03-25 12:07:55,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47780126849894294 [2021-03-25 12:07:55,962 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 226 transitions. [2021-03-25 12:07:55,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 226 transitions. [2021-03-25 12:07:55,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:55,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 226 transitions. [2021-03-25 12:07:55,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.545454545454547) internal successors, (226), 11 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) [2021-03-25 12:07:55,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,964 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:55,964 INFO L185 Difference]: Start difference. First operand has 85 places, 114 transitions, 1199 flow. Second operand 11 states and 226 transitions. [2021-03-25 12:07:55,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 152 transitions, 1858 flow [2021-03-25 12:07:55,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 152 transitions, 1772 flow, removed 39 selfloop flow, removed 1 redundant places. [2021-03-25 12:07:55,975 INFO L241 Difference]: Finished difference. Result has 99 places, 135 transitions, 1490 flow [2021-03-25 12:07:55,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1490, PETRI_PLACES=99, PETRI_TRANSITIONS=135} [2021-03-25 12:07:55,976 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 78 predicate places. [2021-03-25 12:07:55,976 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:55,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 135 transitions, 1490 flow [2021-03-25 12:07:55,976 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 135 transitions, 1490 flow [2021-03-25 12:07:55,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 135 transitions, 1490 flow [2021-03-25 12:07:56,000 INFO L129 PetriNetUnfolder]: 141/301 cut-off events. [2021-03-25 12:07:56,001 INFO L130 PetriNetUnfolder]: For 1284/1300 co-relation queries the response was YES. [2021-03-25 12:07:56,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 301 events. 141/301 cut-off events. For 1284/1300 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1490 event pairs, 0 based on Foata normal form. 2/299 useless extension candidates. Maximal degree in co-relation 1427. Up to 113 conditions per place. [2021-03-25 12:07:56,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-25 12:07:56,010 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:56,010 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:56,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-25 12:07:56,011 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 135 transitions, 1490 flow [2021-03-25 12:07:56,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 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) [2021-03-25 12:07:56,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:56,011 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:56,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-25 12:07:56,228 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:56,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:56,228 INFO L82 PathProgramCache]: Analyzing trace with hash -913164011, now seen corresponding path program 7 times [2021-03-25 12:07:56,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:56,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538473973] [2021-03-25 12:07:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:56,260 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:56,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,264 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:56,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:56,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:56,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:56,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:56,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538473973] [2021-03-25 12:07:56,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482409584] [2021-03-25 12:07:56,288 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 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 [2021-03-25 12:07:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:56,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:56,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:56,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:56,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:56,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:56,376 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:07:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:07:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:56,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:56,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:56,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:07:56,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88240706] [2021-03-25 12:07:56,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:07:56,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:56,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:07:56,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:07:56,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:56,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 135 transitions, 1490 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) [2021-03-25 12:07:56,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:56,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:56,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:56,622 INFO L129 PetriNetUnfolder]: 217/427 cut-off events. [2021-03-25 12:07:56,623 INFO L130 PetriNetUnfolder]: For 2476/2524 co-relation queries the response was YES. [2021-03-25 12:07:56,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 427 events. 217/427 cut-off events. For 2476/2524 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2070 event pairs, 14 based on Foata normal form. 37/464 useless extension candidates. Maximal degree in co-relation 2390. Up to 233 conditions per place. [2021-03-25 12:07:56,628 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 102 selfloop transitions, 51 changer transitions 0/160 dead transitions. [2021-03-25 12:07:56,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 160 transitions, 2056 flow [2021-03-25 12:07:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:07:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:07:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2021-03-25 12:07:56,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48414376321353064 [2021-03-25 12:07:56,630 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 229 transitions. [2021-03-25 12:07:56,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 229 transitions. [2021-03-25 12:07:56,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:56,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 229 transitions. [2021-03-25 12:07:56,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:56,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:56,633 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:56,633 INFO L185 Difference]: Start difference. First operand has 99 places, 135 transitions, 1490 flow. Second operand 11 states and 229 transitions. [2021-03-25 12:07:56,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 160 transitions, 2056 flow [2021-03-25 12:07:56,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 160 transitions, 1968 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-25 12:07:56,649 INFO L241 Difference]: Finished difference. Result has 108 places, 139 transitions, 1580 flow [2021-03-25 12:07:56,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=1404, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1580, PETRI_PLACES=108, PETRI_TRANSITIONS=139} [2021-03-25 12:07:56,650 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 87 predicate places. [2021-03-25 12:07:56,650 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:56,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 139 transitions, 1580 flow [2021-03-25 12:07:56,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 139 transitions, 1580 flow [2021-03-25 12:07:56,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 139 transitions, 1580 flow [2021-03-25 12:07:56,676 INFO L129 PetriNetUnfolder]: 154/337 cut-off events. [2021-03-25 12:07:56,677 INFO L130 PetriNetUnfolder]: For 1706/1720 co-relation queries the response was YES. [2021-03-25 12:07:56,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 337 events. 154/337 cut-off events. For 1706/1720 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1739 event pairs, 1 based on Foata normal form. 2/336 useless extension candidates. Maximal degree in co-relation 1663. Up to 110 conditions per place. [2021-03-25 12:07:56,681 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-25 12:07:56,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:56,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:56,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 12:07:56,687 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 139 transitions, 1580 flow [2021-03-25 12:07:56,688 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) [2021-03-25 12:07:56,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:56,688 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:56,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 12:07:56,904 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:56,904 INFO L82 PathProgramCache]: Analyzing trace with hash -224191331, now seen corresponding path program 8 times [2021-03-25 12:07:56,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:56,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040201949] [2021-03-25 12:07:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:56,921 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:56,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:56,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:56,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040201949] [2021-03-25 12:07:56,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899720217] [2021-03-25 12:07:56,947 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 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 [2021-03-25 12:07:56,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:07:56,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:56,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:56,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:56,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:56,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:56,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:56,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:07:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:57,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:07:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:07:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:57,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:57,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:57,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:07:57,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808406566] [2021-03-25 12:07:57,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:07:57,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:57,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:07:57,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:07:57,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:57,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 139 transitions, 1580 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) [2021-03-25 12:07:57,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:57,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:57,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:57,280 INFO L129 PetriNetUnfolder]: 223/426 cut-off events. [2021-03-25 12:07:57,280 INFO L130 PetriNetUnfolder]: For 2839/2865 co-relation queries the response was YES. [2021-03-25 12:07:57,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2622 conditions, 426 events. 223/426 cut-off events. For 2839/2865 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2027 event pairs, 16 based on Foata normal form. 20/446 useless extension candidates. Maximal degree in co-relation 2528. Up to 264 conditions per place. [2021-03-25 12:07:57,285 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 103 selfloop transitions, 51 changer transitions 0/161 dead transitions. [2021-03-25 12:07:57,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 161 transitions, 2137 flow [2021-03-25 12:07:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:07:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:07:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2021-03-25 12:07:57,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48414376321353064 [2021-03-25 12:07:57,287 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 229 transitions. [2021-03-25 12:07:57,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 229 transitions. [2021-03-25 12:07:57,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:57,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 229 transitions. [2021-03-25 12:07:57,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,289 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,289 INFO L185 Difference]: Start difference. First operand has 108 places, 139 transitions, 1580 flow. Second operand 11 states and 229 transitions. [2021-03-25 12:07:57,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 161 transitions, 2137 flow [2021-03-25 12:07:57,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 161 transitions, 2023 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-25 12:07:57,304 INFO L241 Difference]: Finished difference. Result has 113 places, 145 transitions, 1668 flow [2021-03-25 12:07:57,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1668, PETRI_PLACES=113, PETRI_TRANSITIONS=145} [2021-03-25 12:07:57,304 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 92 predicate places. [2021-03-25 12:07:57,304 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:57,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 145 transitions, 1668 flow [2021-03-25 12:07:57,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 145 transitions, 1668 flow [2021-03-25 12:07:57,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 145 transitions, 1668 flow [2021-03-25 12:07:57,335 INFO L129 PetriNetUnfolder]: 162/347 cut-off events. [2021-03-25 12:07:57,335 INFO L130 PetriNetUnfolder]: For 1677/1688 co-relation queries the response was YES. [2021-03-25 12:07:57,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 347 events. 162/347 cut-off events. For 1677/1688 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1762 event pairs, 2 based on Foata normal form. 1/346 useless extension candidates. Maximal degree in co-relation 1765. Up to 113 conditions per place. [2021-03-25 12:07:57,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-25 12:07:57,347 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:57,348 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:57,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-25 12:07:57,351 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 145 transitions, 1668 flow [2021-03-25 12:07:57,352 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) [2021-03-25 12:07:57,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:57,352 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:57,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 12:07:57,574 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:57,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1506016679, now seen corresponding path program 9 times [2021-03-25 12:07:57,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:57,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287132612] [2021-03-25 12:07:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:57,585 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:57,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:57,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287132612] [2021-03-25 12:07:57,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485598981] [2021-03-25 12:07:57,610 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 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 [2021-03-25 12:07:57,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:07:57,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:57,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:57,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,666 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:07:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:07:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:57,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:57,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:57,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:07:57,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461564215] [2021-03-25 12:07:57,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:57,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:57,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:57,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:57,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:57,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 145 transitions, 1668 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) [2021-03-25 12:07:57,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:57,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:57,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:57,911 INFO L129 PetriNetUnfolder]: 239/474 cut-off events. [2021-03-25 12:07:57,912 INFO L130 PetriNetUnfolder]: For 2881/2907 co-relation queries the response was YES. [2021-03-25 12:07:57,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2964 conditions, 474 events. 239/474 cut-off events. For 2881/2907 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2417 event pairs, 9 based on Foata normal form. 15/489 useless extension candidates. Maximal degree in co-relation 2867. Up to 280 conditions per place. [2021-03-25 12:07:57,917 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 107 selfloop transitions, 78 changer transitions 0/192 dead transitions. [2021-03-25 12:07:57,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 192 transitions, 2653 flow [2021-03-25 12:07:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:07:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:07:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 267 transitions. [2021-03-25 12:07:57,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4776386404293381 [2021-03-25 12:07:57,919 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 267 transitions. [2021-03-25 12:07:57,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 267 transitions. [2021-03-25 12:07:57,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:57,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 267 transitions. [2021-03-25 12:07:57,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 43.0) internal successors, (602), 14 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,921 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 43.0) internal successors, (602), 14 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:57,921 INFO L185 Difference]: Start difference. First operand has 113 places, 145 transitions, 1668 flow. Second operand 13 states and 267 transitions. [2021-03-25 12:07:57,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 192 transitions, 2653 flow [2021-03-25 12:07:57,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 192 transitions, 2501 flow, removed 20 selfloop flow, removed 7 redundant places. [2021-03-25 12:07:57,937 INFO L241 Difference]: Finished difference. Result has 125 places, 175 transitions, 2201 flow [2021-03-25 12:07:57,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=1559, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2201, PETRI_PLACES=125, PETRI_TRANSITIONS=175} [2021-03-25 12:07:57,938 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 104 predicate places. [2021-03-25 12:07:57,938 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:57,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 175 transitions, 2201 flow [2021-03-25 12:07:57,938 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 175 transitions, 2201 flow [2021-03-25 12:07:57,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 175 transitions, 2201 flow [2021-03-25 12:07:57,971 INFO L129 PetriNetUnfolder]: 184/396 cut-off events. [2021-03-25 12:07:57,971 INFO L130 PetriNetUnfolder]: For 2227/2248 co-relation queries the response was YES. [2021-03-25 12:07:57,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2293 conditions, 396 events. 184/396 cut-off events. For 2227/2248 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2126 event pairs, 0 based on Foata normal form. 5/398 useless extension candidates. Maximal degree in co-relation 2205. Up to 134 conditions per place. [2021-03-25 12:07:57,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 408 [2021-03-25 12:07:57,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:57,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:57,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 12:07:57,984 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 175 transitions, 2201 flow [2021-03-25 12:07:57,985 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) [2021-03-25 12:07:57,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:57,985 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:58,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:58,198 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:58,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:58,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1763580143, now seen corresponding path program 10 times [2021-03-25 12:07:58,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:58,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172351280] [2021-03-25 12:07:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:58,215 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:58,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172351280] [2021-03-25 12:07:58,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573844466] [2021-03-25 12:07:58,238 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:07:58,284 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:07:58,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:58,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:58,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:58,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:58,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:58,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,315 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:07:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:58,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:58,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:58,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:58,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:58,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:58,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:58,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,324 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:07:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:58,330 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:07:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:58,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:58,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:07:58,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355432154] [2021-03-25 12:07:58,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:58,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:58,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:58,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:58,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:58,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 175 transitions, 2201 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) [2021-03-25 12:07:58,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:58,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:58,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:58,622 INFO L129 PetriNetUnfolder]: 264/559 cut-off events. [2021-03-25 12:07:58,622 INFO L130 PetriNetUnfolder]: For 4138/4186 co-relation queries the response was YES. [2021-03-25 12:07:58,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3653 conditions, 559 events. 264/559 cut-off events. For 4138/4186 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3118 event pairs, 11 based on Foata normal form. 41/600 useless extension candidates. Maximal degree in co-relation 3541. Up to 185 conditions per place. [2021-03-25 12:07:58,629 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 110 selfloop transitions, 142 changer transitions 2/261 dead transitions. [2021-03-25 12:07:58,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 261 transitions, 3902 flow [2021-03-25 12:07:58,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 12:07:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 12:07:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 411 transitions. [2021-03-25 12:07:58,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45514950166112955 [2021-03-25 12:07:58,632 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 411 transitions. [2021-03-25 12:07:58,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 411 transitions. [2021-03-25 12:07:58,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:58,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 411 transitions. [2021-03-25 12:07:58,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 19.571428571428573) internal successors, (411), 21 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:58,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 43.0) internal successors, (946), 22 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:58,638 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 43.0) internal successors, (946), 22 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:58,638 INFO L185 Difference]: Start difference. First operand has 125 places, 175 transitions, 2201 flow. Second operand 21 states and 411 transitions. [2021-03-25 12:07:58,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 261 transitions, 3902 flow [2021-03-25 12:07:58,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 261 transitions, 3830 flow, removed 32 selfloop flow, removed 1 redundant places. [2021-03-25 12:07:58,663 INFO L241 Difference]: Finished difference. Result has 153 places, 233 transitions, 3481 flow [2021-03-25 12:07:58,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3481, PETRI_PLACES=153, PETRI_TRANSITIONS=233} [2021-03-25 12:07:58,664 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 132 predicate places. [2021-03-25 12:07:58,664 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:58,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 233 transitions, 3481 flow [2021-03-25 12:07:58,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 233 transitions, 3481 flow [2021-03-25 12:07:58,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 233 transitions, 3481 flow [2021-03-25 12:07:58,712 INFO L129 PetriNetUnfolder]: 214/482 cut-off events. [2021-03-25 12:07:58,712 INFO L130 PetriNetUnfolder]: For 4448/4456 co-relation queries the response was YES. [2021-03-25 12:07:58,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3191 conditions, 482 events. 214/482 cut-off events. For 4448/4456 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2725 event pairs, 1 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 3075. Up to 154 conditions per place. [2021-03-25 12:07:58,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-25 12:07:58,732 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:58,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:58,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-25 12:07:58,733 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 233 transitions, 3481 flow [2021-03-25 12:07:58,733 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) [2021-03-25 12:07:58,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:58,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:58,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:58,955 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:58,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash 332489406, now seen corresponding path program 1 times [2021-03-25 12:07:58,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:58,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642752837] [2021-03-25 12:07:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:58,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:58,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:58,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:07:58,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642752837] [2021-03-25 12:07:58,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577745333] [2021-03-25 12:07:58,989 INFO L95 rtionOrderModulation]: Keeping assertion order 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) [2021-03-25 12:07:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:59,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 12:07:59,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:59,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:07:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:07:59,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:59,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 12:07:59,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415424394] [2021-03-25 12:07:59,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 12:07:59,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:59,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 12:07:59,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 12:07:59,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2021-03-25 12:07:59,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 233 transitions, 3481 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) [2021-03-25 12:07:59,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:59,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2021-03-25 12:07:59,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:07:59,226 INFO L129 PetriNetUnfolder]: 357/735 cut-off events. [2021-03-25 12:07:59,226 INFO L130 PetriNetUnfolder]: For 9161/9187 co-relation queries the response was YES. [2021-03-25 12:07:59,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5584 conditions, 735 events. 357/735 cut-off events. For 9161/9187 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4280 event pairs, 12 based on Foata normal form. 34/769 useless extension candidates. Maximal degree in co-relation 5454. Up to 265 conditions per place. [2021-03-25 12:07:59,236 INFO L132 encePairwiseOnDemand]: 38/43 looper letters, 218 selfloop transitions, 69 changer transitions 0/294 dead transitions. [2021-03-25 12:07:59,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 294 transitions, 4978 flow [2021-03-25 12:07:59,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:07:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:07:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-25 12:07:59,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5209302325581395 [2021-03-25 12:07:59,237 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-25 12:07:59,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-25 12:07:59,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:07:59,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-25 12:07:59,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:59,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:59,238 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:07:59,239 INFO L185 Difference]: Start difference. First operand has 153 places, 233 transitions, 3481 flow. Second operand 5 states and 112 transitions. [2021-03-25 12:07:59,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 294 transitions, 4978 flow [2021-03-25 12:07:59,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 294 transitions, 4547 flow, removed 172 selfloop flow, removed 6 redundant places. [2021-03-25 12:07:59,302 INFO L241 Difference]: Finished difference. Result has 153 places, 247 transitions, 3547 flow [2021-03-25 12:07:59,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=3095, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3547, PETRI_PLACES=153, PETRI_TRANSITIONS=247} [2021-03-25 12:07:59,302 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 132 predicate places. [2021-03-25 12:07:59,303 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:07:59,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 247 transitions, 3547 flow [2021-03-25 12:07:59,303 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 247 transitions, 3547 flow [2021-03-25 12:07:59,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 247 transitions, 3547 flow [2021-03-25 12:07:59,365 INFO L129 PetriNetUnfolder]: 268/621 cut-off events. [2021-03-25 12:07:59,365 INFO L130 PetriNetUnfolder]: For 5679/5717 co-relation queries the response was YES. [2021-03-25 12:07:59,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 621 events. 268/621 cut-off events. For 5679/5717 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3906 event pairs, 3 based on Foata normal form. 6/625 useless extension candidates. Maximal degree in co-relation 3849. Up to 194 conditions per place. [2021-03-25 12:07:59,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 482 [2021-03-25 12:07:59,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:07:59,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:07:59,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-25 12:07:59,389 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 247 transitions, 3547 flow [2021-03-25 12:07:59,389 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) [2021-03-25 12:07:59,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:07:59,389 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:07:59,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-25 12:07:59,604 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:07:59,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:07:59,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1800160743, now seen corresponding path program 11 times [2021-03-25 12:07:59,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:07:59,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013767431] [2021-03-25 12:07:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:07:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:07:59,613 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:07:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:07:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:59,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013767431] [2021-03-25 12:07:59,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641231873] [2021-03-25 12:07:59,635 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:07:59,653 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:07:59,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:07:59,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:07:59,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:07:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:07:59,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:07:59,691 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:07:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:59,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:07:59,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:59,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:07:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:07:59,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:59,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:07:59,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:07:59,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:07:59,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:07:59,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:07:59,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:07:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:07:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:07:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:07:59,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:07:59,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:07:59,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962382901] [2021-03-25 12:07:59,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:07:59,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:07:59,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:07:59,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:07:59,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 12:07:59,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 247 transitions, 3547 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) [2021-03-25 12:07:59,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:07:59,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 12:07:59,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:00,008 INFO L129 PetriNetUnfolder]: 375/771 cut-off events. [2021-03-25 12:08:00,008 INFO L130 PetriNetUnfolder]: For 10180/10228 co-relation queries the response was YES. [2021-03-25 12:08:00,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5927 conditions, 771 events. 375/771 cut-off events. For 10180/10228 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 4529 event pairs, 24 based on Foata normal form. 39/810 useless extension candidates. Maximal degree in co-relation 5807. Up to 367 conditions per place. [2021-03-25 12:08:00,019 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 143 selfloop transitions, 123 changer transitions 0/273 dead transitions. [2021-03-25 12:08:00,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 273 transitions, 4503 flow [2021-03-25 12:08:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:08:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:08:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 289 transitions. [2021-03-25 12:08:00,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48006644518272423 [2021-03-25 12:08:00,020 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 289 transitions. [2021-03-25 12:08:00,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 289 transitions. [2021-03-25 12:08:00,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:00,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 289 transitions. [2021-03-25 12:08:00,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.642857142857142) internal successors, (289), 14 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:00,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 43.0) internal successors, (645), 15 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:00,022 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 43.0) internal successors, (645), 15 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:00,022 INFO L185 Difference]: Start difference. First operand has 153 places, 247 transitions, 3547 flow. Second operand 14 states and 289 transitions. [2021-03-25 12:08:00,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 273 transitions, 4503 flow [2021-03-25 12:08:00,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 273 transitions, 4454 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-25 12:08:00,071 INFO L241 Difference]: Finished difference. Result has 167 places, 247 transitions, 3840 flow [2021-03-25 12:08:00,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=3474, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3840, PETRI_PLACES=167, PETRI_TRANSITIONS=247} [2021-03-25 12:08:00,072 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 146 predicate places. [2021-03-25 12:08:00,072 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:00,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 247 transitions, 3840 flow [2021-03-25 12:08:00,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 247 transitions, 3840 flow [2021-03-25 12:08:00,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 247 transitions, 3840 flow [2021-03-25 12:08:00,142 INFO L129 PetriNetUnfolder]: 275/649 cut-off events. [2021-03-25 12:08:00,142 INFO L130 PetriNetUnfolder]: For 6652/6687 co-relation queries the response was YES. [2021-03-25 12:08:00,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4414 conditions, 649 events. 275/649 cut-off events. For 6652/6687 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4157 event pairs, 3 based on Foata normal form. 4/651 useless extension candidates. Maximal degree in co-relation 4301. Up to 208 conditions per place. [2021-03-25 12:08:00,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-25 12:08:00,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:00,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:00,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-25 12:08:00,166 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 247 transitions, 3840 flow [2021-03-25 12:08:00,167 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) [2021-03-25 12:08:00,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:00,167 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:00,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:00,388 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash 983462467, now seen corresponding path program 3 times [2021-03-25 12:08:00,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:00,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231829592] [2021-03-25 12:08:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:00,421 INFO L142 QuantifierPusher]: treesize reduction 38, result has 50.6 percent of original size [2021-03-25 12:08:00,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:08:00,461 INFO L142 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-03-25 12:08:00,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:00,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,487 INFO L142 QuantifierPusher]: treesize reduction 33, result has 65.3 percent of original size [2021-03-25 12:08:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 12:08:00,524 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-03-25 12:08:00,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,536 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 12:08:00,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:00,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231829592] [2021-03-25 12:08:00,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840275389] [2021-03-25 12:08:00,547 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) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:00,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:08:00,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:00,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 12:08:00,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:00,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:00,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,601 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 12:08:00,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-25 12:08:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:00,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 12:08:00,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:00,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:08:00,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:08:00,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:08:00,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:08:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:08:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:08:00,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:00,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:00,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:00,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:00,676 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 23 treesize of output 11 [2021-03-25 12:08:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:00,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:08:00,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:08:00,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:18 [2021-03-25 12:08:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:00,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 12:08:00,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:00,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:00,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:00,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:00,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:00,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:00,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 12:08:00,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615218748] [2021-03-25 12:08:00,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:08:00,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:00,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:08:00,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:08:00,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2021-03-25 12:08:00,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 247 transitions, 3840 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) [2021-03-25 12:08:00,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:00,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2021-03-25 12:08:00,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:01,041 INFO L129 PetriNetUnfolder]: 415/852 cut-off events. [2021-03-25 12:08:01,041 INFO L130 PetriNetUnfolder]: For 12372/12388 co-relation queries the response was YES. [2021-03-25 12:08:01,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6796 conditions, 852 events. 415/852 cut-off events. For 12372/12388 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5148 event pairs, 41 based on Foata normal form. 17/869 useless extension candidates. Maximal degree in co-relation 6601. Up to 585 conditions per place. [2021-03-25 12:08:01,052 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 192 selfloop transitions, 88 changer transitions 2/288 dead transitions. [2021-03-25 12:08:01,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 288 transitions, 5004 flow [2021-03-25 12:08:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:08:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:08:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-03-25 12:08:01,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4312896405919662 [2021-03-25 12:08:01,054 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-03-25 12:08:01,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-03-25 12:08:01,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:01,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-03-25 12:08:01,055 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) [2021-03-25 12:08:01,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:01,055 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 43.0) internal successors, (516), 12 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:01,055 INFO L185 Difference]: Start difference. First operand has 167 places, 247 transitions, 3840 flow. Second operand 11 states and 204 transitions. [2021-03-25 12:08:01,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 288 transitions, 5004 flow [2021-03-25 12:08:01,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 288 transitions, 4815 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-25 12:08:01,110 INFO L241 Difference]: Finished difference. Result has 168 places, 273 transitions, 4324 flow [2021-03-25 12:08:01,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=3657, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4324, PETRI_PLACES=168, PETRI_TRANSITIONS=273} [2021-03-25 12:08:01,110 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 147 predicate places. [2021-03-25 12:08:01,110 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:01,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 273 transitions, 4324 flow [2021-03-25 12:08:01,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 273 transitions, 4324 flow [2021-03-25 12:08:01,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 273 transitions, 4324 flow [2021-03-25 12:08:01,184 INFO L129 PetriNetUnfolder]: 295/694 cut-off events. [2021-03-25 12:08:01,184 INFO L130 PetriNetUnfolder]: For 7989/8042 co-relation queries the response was YES. [2021-03-25 12:08:01,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4888 conditions, 694 events. 295/694 cut-off events. For 7989/8042 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4509 event pairs, 7 based on Foata normal form. 12/704 useless extension candidates. Maximal degree in co-relation 4766. Up to 226 conditions per place. [2021-03-25 12:08:01,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-25 12:08:01,299 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:01,299 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:08:01,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-03-25 12:08:01,299 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 273 transitions, 4333 flow [2021-03-25 12:08:01,300 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) [2021-03-25 12:08:01,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:01,300 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:01,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-25 12:08:01,521 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:01,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:01,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1858013691, now seen corresponding path program 12 times [2021-03-25 12:08:01,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:01,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389915035] [2021-03-25 12:08:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:01,533 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:08:01,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:01,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:01,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:01,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:01,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:01,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:01,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:01,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389915035] [2021-03-25 12:08:01,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277631741] [2021-03-25 12:08:01,557 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 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 [2021-03-25 12:08:01,594 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 12:08:01,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:01,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:01,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:01,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:01,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:01,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:01,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:01,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:01,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:01,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:01,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:01,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:01,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:01,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:01,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:01,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-25 12:08:01,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803783650] [2021-03-25 12:08:01,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:01,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:01,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:01,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:01,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 12:08:01,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 273 transitions, 4333 flow. Second operand has 11 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) [2021-03-25 12:08:01,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:01,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 12:08:01,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:02,007 INFO L129 PetriNetUnfolder]: 507/1067 cut-off events. [2021-03-25 12:08:02,008 INFO L130 PetriNetUnfolder]: For 17705/17729 co-relation queries the response was YES. [2021-03-25 12:08:02,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8766 conditions, 1067 events. 507/1067 cut-off events. For 17705/17729 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6847 event pairs, 5 based on Foata normal form. 36/1103 useless extension candidates. Maximal degree in co-relation 8554. Up to 381 conditions per place. [2021-03-25 12:08:02,022 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 234 selfloop transitions, 115 changer transitions 2/358 dead transitions. [2021-03-25 12:08:02,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 358 transitions, 6454 flow [2021-03-25 12:08:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:08:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:08:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 306 transitions. [2021-03-25 12:08:02,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4967532467532468 [2021-03-25 12:08:02,023 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 306 transitions. [2021-03-25 12:08:02,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 306 transitions. [2021-03-25 12:08:02,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:02,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 306 transitions. [2021-03-25 12:08:02,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 21.857142857142858) internal successors, (306), 14 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:02,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 44.0) internal successors, (660), 15 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:02,026 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 44.0) internal successors, (660), 15 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:02,026 INFO L185 Difference]: Start difference. First operand has 168 places, 273 transitions, 4333 flow. Second operand 14 states and 306 transitions. [2021-03-25 12:08:02,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 358 transitions, 6454 flow [2021-03-25 12:08:02,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 358 transitions, 6238 flow, removed 91 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:02,097 INFO L241 Difference]: Finished difference. Result has 181 places, 293 transitions, 4843 flow [2021-03-25 12:08:02,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4094, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4843, PETRI_PLACES=181, PETRI_TRANSITIONS=293} [2021-03-25 12:08:02,097 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 160 predicate places. [2021-03-25 12:08:02,097 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:02,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 293 transitions, 4843 flow [2021-03-25 12:08:02,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 293 transitions, 4843 flow [2021-03-25 12:08:02,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 293 transitions, 4843 flow [2021-03-25 12:08:02,201 INFO L129 PetriNetUnfolder]: 340/831 cut-off events. [2021-03-25 12:08:02,201 INFO L130 PetriNetUnfolder]: For 11066/11142 co-relation queries the response was YES. [2021-03-25 12:08:02,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6118 conditions, 831 events. 340/831 cut-off events. For 11066/11142 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 5833 event pairs, 9 based on Foata normal form. 12/832 useless extension candidates. Maximal degree in co-relation 6009. Up to 265 conditions per place. [2021-03-25 12:08:02,231 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-25 12:08:02,253 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:02,253 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:02,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-25 12:08:02,254 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 293 transitions, 4843 flow [2021-03-25 12:08:02,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 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) [2021-03-25 12:08:02,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:02,254 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:02,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-25 12:08:02,471 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:02,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:02,472 INFO L82 PathProgramCache]: Analyzing trace with hash -266674347, now seen corresponding path program 13 times [2021-03-25 12:08:02,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:02,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920094078] [2021-03-25 12:08:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:02,481 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:02,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,486 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:02,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:02,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920094078] [2021-03-25 12:08:02,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957283905] [2021-03-25 12:08:02,508 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 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 [2021-03-25 12:08:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:02,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:02,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:02,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:02,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:02,612 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:02,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:02,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,618 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:08:02,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:02,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:02,622 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:02,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:02,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:02,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:08:02,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812722409] [2021-03-25 12:08:02,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:02,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:02,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:02,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:02,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:02,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 293 transitions, 4843 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) [2021-03-25 12:08:02,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:02,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:02,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:03,051 INFO L129 PetriNetUnfolder]: 605/1335 cut-off events. [2021-03-25 12:08:03,052 INFO L130 PetriNetUnfolder]: For 24363/24387 co-relation queries the response was YES. [2021-03-25 12:08:03,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11286 conditions, 1335 events. 605/1335 cut-off events. For 24363/24387 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9286 event pairs, 25 based on Foata normal form. 20/1354 useless extension candidates. Maximal degree in co-relation 11056. Up to 454 conditions per place. [2021-03-25 12:08:03,066 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 181 selfloop transitions, 201 changer transitions 5/394 dead transitions. [2021-03-25 12:08:03,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 394 transitions, 7430 flow [2021-03-25 12:08:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 12:08:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 12:08:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 454 transitions. [2021-03-25 12:08:03,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44861660079051385 [2021-03-25 12:08:03,068 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 454 transitions. [2021-03-25 12:08:03,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 454 transitions. [2021-03-25 12:08:03,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:03,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 454 transitions. [2021-03-25 12:08:03,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 19.73913043478261) internal successors, (454), 23 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:03,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 44.0) internal successors, (1056), 24 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:03,071 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 44.0) internal successors, (1056), 24 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:03,071 INFO L185 Difference]: Start difference. First operand has 181 places, 293 transitions, 4843 flow. Second operand 23 states and 454 transitions. [2021-03-25 12:08:03,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 394 transitions, 7430 flow [2021-03-25 12:08:03,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 394 transitions, 7053 flow, removed 143 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:03,171 INFO L241 Difference]: Finished difference. Result has 202 places, 342 transitions, 5991 flow [2021-03-25 12:08:03,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4605, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5991, PETRI_PLACES=202, PETRI_TRANSITIONS=342} [2021-03-25 12:08:03,171 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 181 predicate places. [2021-03-25 12:08:03,171 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:03,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 342 transitions, 5991 flow [2021-03-25 12:08:03,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 342 transitions, 5991 flow [2021-03-25 12:08:03,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 342 transitions, 5991 flow [2021-03-25 12:08:03,284 INFO L129 PetriNetUnfolder]: 386/1013 cut-off events. [2021-03-25 12:08:03,284 INFO L130 PetriNetUnfolder]: For 15558/15654 co-relation queries the response was YES. [2021-03-25 12:08:03,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7735 conditions, 1013 events. 386/1013 cut-off events. For 15558/15654 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 7694 event pairs, 7 based on Foata normal form. 4/1007 useless extension candidates. Maximal degree in co-relation 7568. Up to 324 conditions per place. [2021-03-25 12:08:03,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 704 [2021-03-25 12:08:03,322 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:03,322 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:03,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-25 12:08:03,322 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 342 transitions, 5991 flow [2021-03-25 12:08:03,323 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) [2021-03-25 12:08:03,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:03,323 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:03,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-25 12:08:03,536 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:03,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:03,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1988585929, now seen corresponding path program 14 times [2021-03-25 12:08:03,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:03,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011618965] [2021-03-25 12:08:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:03,547 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:03,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:03,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:03,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011618965] [2021-03-25 12:08:03,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111765403] [2021-03-25 12:08:03,572 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 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 [2021-03-25 12:08:03,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:03,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:03,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:03,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:03,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:03,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:03,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:03,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:03,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:03,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:03,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:03,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:03,682 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:03,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:03,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:03,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:03,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575901024] [2021-03-25 12:08:03,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:03,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:03,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:03,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:03,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:03,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 342 transitions, 5991 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) [2021-03-25 12:08:03,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:03,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:03,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:03,952 INFO L129 PetriNetUnfolder]: 600/1311 cut-off events. [2021-03-25 12:08:03,952 INFO L130 PetriNetUnfolder]: For 27842/27856 co-relation queries the response was YES. [2021-03-25 12:08:03,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11711 conditions, 1311 events. 600/1311 cut-off events. For 27842/27856 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9084 event pairs, 74 based on Foata normal form. 10/1320 useless extension candidates. Maximal degree in co-relation 11472. Up to 795 conditions per place. [2021-03-25 12:08:03,966 INFO L132 encePairwiseOnDemand]: 34/44 looper letters, 210 selfloop transitions, 158 changer transitions 0/375 dead transitions. [2021-03-25 12:08:03,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 375 transitions, 7358 flow [2021-03-25 12:08:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 12:08:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 12:08:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 188 transitions. [2021-03-25 12:08:03,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47474747474747475 [2021-03-25 12:08:03,967 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 188 transitions. [2021-03-25 12:08:03,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 188 transitions. [2021-03-25 12:08:03,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:03,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 188 transitions. [2021-03-25 12:08:03,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 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) [2021-03-25 12:08:03,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 44.0) internal successors, (440), 10 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) [2021-03-25 12:08:03,968 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 44.0) internal successors, (440), 10 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) [2021-03-25 12:08:03,968 INFO L185 Difference]: Start difference. First operand has 202 places, 342 transitions, 5991 flow. Second operand 9 states and 188 transitions. [2021-03-25 12:08:03,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 375 transitions, 7358 flow [2021-03-25 12:08:04,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 375 transitions, 6923 flow, removed 154 selfloop flow, removed 14 redundant places. [2021-03-25 12:08:04,057 INFO L241 Difference]: Finished difference. Result has 199 places, 362 transitions, 6415 flow [2021-03-25 12:08:04,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5647, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6415, PETRI_PLACES=199, PETRI_TRANSITIONS=362} [2021-03-25 12:08:04,058 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 178 predicate places. [2021-03-25 12:08:04,058 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:04,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 362 transitions, 6415 flow [2021-03-25 12:08:04,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 362 transitions, 6415 flow [2021-03-25 12:08:04,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 362 transitions, 6415 flow [2021-03-25 12:08:04,164 INFO L129 PetriNetUnfolder]: 414/1062 cut-off events. [2021-03-25 12:08:04,164 INFO L130 PetriNetUnfolder]: For 15767/15848 co-relation queries the response was YES. [2021-03-25 12:08:04,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8080 conditions, 1062 events. 414/1062 cut-off events. For 15767/15848 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8018 event pairs, 7 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 7912. Up to 334 conditions per place. [2021-03-25 12:08:04,197 INFO L142 LiptonReduction]: Number of co-enabled transitions 702 [2021-03-25 12:08:04,222 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:04,222 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:04,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-25 12:08:04,223 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 362 transitions, 6415 flow [2021-03-25 12:08:04,223 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) [2021-03-25 12:08:04,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:04,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:04,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-25 12:08:04,446 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:04,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1266257660, now seen corresponding path program 2 times [2021-03-25 12:08:04,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:04,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965648911] [2021-03-25 12:08:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:04,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:04,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965648911] [2021-03-25 12:08:04,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057529109] [2021-03-25 12:08:04,474 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 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 [2021-03-25 12:08:04,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:04,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:04,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 12:08:04,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:04,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:04,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:04,533 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:04,553 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:04,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:04,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 12:08:04,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152446783] [2021-03-25 12:08:04,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 12:08:04,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:04,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 12:08:04,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 12:08:04,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 12:08:04,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 362 transitions, 6415 flow. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:04,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:04,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 12:08:04,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:04,856 INFO L129 PetriNetUnfolder]: 539/1239 cut-off events. [2021-03-25 12:08:04,857 INFO L130 PetriNetUnfolder]: For 24030/24054 co-relation queries the response was YES. [2021-03-25 12:08:04,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10658 conditions, 1239 events. 539/1239 cut-off events. For 24030/24054 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 8894 event pairs, 3 based on Foata normal form. 53/1291 useless extension candidates. Maximal degree in co-relation 10443. Up to 391 conditions per place. [2021-03-25 12:08:04,873 INFO L132 encePairwiseOnDemand]: 38/44 looper letters, 387 selfloop transitions, 169 changer transitions 13/576 dead transitions. [2021-03-25 12:08:04,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 576 transitions, 11278 flow [2021-03-25 12:08:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:08:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:08:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 218 transitions. [2021-03-25 12:08:04,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4954545454545455 [2021-03-25 12:08:04,874 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 218 transitions. [2021-03-25 12:08:04,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 218 transitions. [2021-03-25 12:08:04,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:04,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 218 transitions. [2021-03-25 12:08:04,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.8) internal successors, (218), 10 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) [2021-03-25 12:08:04,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:04,875 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:04,875 INFO L185 Difference]: Start difference. First operand has 199 places, 362 transitions, 6415 flow. Second operand 10 states and 218 transitions. [2021-03-25 12:08:04,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 576 transitions, 11278 flow [2021-03-25 12:08:04,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 576 transitions, 10797 flow, removed 90 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:04,970 INFO L241 Difference]: Finished difference. Result has 205 places, 407 transitions, 7294 flow [2021-03-25 12:08:04,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5905, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7294, PETRI_PLACES=205, PETRI_TRANSITIONS=407} [2021-03-25 12:08:04,970 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 184 predicate places. [2021-03-25 12:08:04,970 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:04,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 407 transitions, 7294 flow [2021-03-25 12:08:04,971 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 407 transitions, 7294 flow [2021-03-25 12:08:04,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 407 transitions, 7294 flow [2021-03-25 12:08:05,107 INFO L129 PetriNetUnfolder]: 428/1060 cut-off events. [2021-03-25 12:08:05,107 INFO L130 PetriNetUnfolder]: For 16848/16897 co-relation queries the response was YES. [2021-03-25 12:08:05,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8319 conditions, 1060 events. 428/1060 cut-off events. For 16848/16897 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7885 event pairs, 5 based on Foata normal form. 7/1063 useless extension candidates. Maximal degree in co-relation 8147. Up to 350 conditions per place. [2021-03-25 12:08:05,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 654 [2021-03-25 12:08:05,146 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:05,146 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:05,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-03-25 12:08:05,146 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 407 transitions, 7294 flow [2021-03-25 12:08:05,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:05,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:05,147 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:05,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-25 12:08:05,351 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:05,351 INFO L82 PathProgramCache]: Analyzing trace with hash 588632307, now seen corresponding path program 15 times [2021-03-25 12:08:05,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:05,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540535198] [2021-03-25 12:08:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:05,359 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:05,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540535198] [2021-03-25 12:08:05,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881730626] [2021-03-25 12:08:05,395 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:05,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 12:08:05,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:05,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:05,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:05,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:05,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:05,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:05,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:05,454 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:05,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:05,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:05,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:05,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:05,466 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:05,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:05,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:05,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:05,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:05,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:05,469 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:05,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:05,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:05,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:05,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415533224] [2021-03-25 12:08:05,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:05,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:05,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:05,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:05,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:05,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 407 transitions, 7294 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) [2021-03-25 12:08:05,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:05,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:05,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:05,849 INFO L129 PetriNetUnfolder]: 550/1262 cut-off events. [2021-03-25 12:08:05,849 INFO L130 PetriNetUnfolder]: For 25146/25160 co-relation queries the response was YES. [2021-03-25 12:08:05,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11256 conditions, 1262 events. 550/1262 cut-off events. For 25146/25160 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 9056 event pairs, 16 based on Foata normal form. 12/1273 useless extension candidates. Maximal degree in co-relation 11089. Up to 409 conditions per place. [2021-03-25 12:08:05,863 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 235 selfloop transitions, 210 changer transitions 0/452 dead transitions. [2021-03-25 12:08:05,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 452 transitions, 9081 flow [2021-03-25 12:08:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 12:08:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 12:08:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 344 transitions. [2021-03-25 12:08:05,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45989304812834225 [2021-03-25 12:08:05,864 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 344 transitions. [2021-03-25 12:08:05,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 344 transitions. [2021-03-25 12:08:05,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:05,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 344 transitions. [2021-03-25 12:08:05,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 20.235294117647058) internal successors, (344), 17 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:05,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 44.0) internal successors, (792), 18 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:05,866 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 44.0) internal successors, (792), 18 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:05,866 INFO L185 Difference]: Start difference. First operand has 204 places, 407 transitions, 7294 flow. Second operand 17 states and 344 transitions. [2021-03-25 12:08:05,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 452 transitions, 9081 flow [2021-03-25 12:08:06,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 452 transitions, 8566 flow, removed 163 selfloop flow, removed 5 redundant places. [2021-03-25 12:08:06,009 INFO L241 Difference]: Finished difference. Result has 218 places, 420 transitions, 7592 flow [2021-03-25 12:08:06,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6741, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7592, PETRI_PLACES=218, PETRI_TRANSITIONS=420} [2021-03-25 12:08:06,009 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 197 predicate places. [2021-03-25 12:08:06,009 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:06,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 420 transitions, 7592 flow [2021-03-25 12:08:06,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 420 transitions, 7592 flow [2021-03-25 12:08:06,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 420 transitions, 7592 flow [2021-03-25 12:08:06,133 INFO L129 PetriNetUnfolder]: 438/1103 cut-off events. [2021-03-25 12:08:06,133 INFO L130 PetriNetUnfolder]: For 16161/16209 co-relation queries the response was YES. [2021-03-25 12:08:06,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8525 conditions, 1103 events. 438/1103 cut-off events. For 16161/16209 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8390 event pairs, 4 based on Foata normal form. 5/1100 useless extension candidates. Maximal degree in co-relation 8386. Up to 315 conditions per place. [2021-03-25 12:08:06,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-25 12:08:06,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:06,211 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:06,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-25 12:08:06,211 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 420 transitions, 7592 flow [2021-03-25 12:08:06,211 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) [2021-03-25 12:08:06,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:06,211 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:06,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:06,412 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:06,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:06,412 INFO L82 PathProgramCache]: Analyzing trace with hash -384632619, now seen corresponding path program 16 times [2021-03-25 12:08:06,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:06,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774938605] [2021-03-25 12:08:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:06,427 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:06,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:06,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:06,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:06,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774938605] [2021-03-25 12:08:06,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809758726] [2021-03-25 12:08:06,450 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 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 [2021-03-25 12:08:06,468 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:08:06,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:06,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:06,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:06,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:06,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:06,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:06,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:06,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:06,536 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:06,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:06,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:06,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:06,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:06,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211123575] [2021-03-25 12:08:06,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:06,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:06,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:06,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:06,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:06,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 420 transitions, 7592 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) [2021-03-25 12:08:06,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:06,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:06,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:07,015 INFO L129 PetriNetUnfolder]: 563/1288 cut-off events. [2021-03-25 12:08:07,016 INFO L130 PetriNetUnfolder]: For 22517/22531 co-relation queries the response was YES. [2021-03-25 12:08:07,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11190 conditions, 1288 events. 563/1288 cut-off events. For 22517/22531 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 9273 event pairs, 36 based on Foata normal form. 18/1305 useless extension candidates. Maximal degree in co-relation 11054. Up to 693 conditions per place. [2021-03-25 12:08:07,035 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 276 selfloop transitions, 195 changer transitions 0/478 dead transitions. [2021-03-25 12:08:07,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 478 transitions, 9631 flow [2021-03-25 12:08:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:08:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:08:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 271 transitions. [2021-03-25 12:08:07,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4737762237762238 [2021-03-25 12:08:07,041 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 271 transitions. [2021-03-25 12:08:07,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 271 transitions. [2021-03-25 12:08:07,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:07,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 271 transitions. [2021-03-25 12:08:07,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 13 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) [2021-03-25 12:08:07,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 44.0) internal successors, (616), 14 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:07,047 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 44.0) internal successors, (616), 14 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:07,047 INFO L185 Difference]: Start difference. First operand has 218 places, 420 transitions, 7592 flow. Second operand 13 states and 271 transitions. [2021-03-25 12:08:07,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 478 transitions, 9631 flow [2021-03-25 12:08:07,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 478 transitions, 9298 flow, removed 27 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:07,209 INFO L241 Difference]: Finished difference. Result has 225 places, 442 transitions, 8226 flow [2021-03-25 12:08:07,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7290, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8226, PETRI_PLACES=225, PETRI_TRANSITIONS=442} [2021-03-25 12:08:07,210 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 204 predicate places. [2021-03-25 12:08:07,210 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:07,210 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 442 transitions, 8226 flow [2021-03-25 12:08:07,210 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 442 transitions, 8226 flow [2021-03-25 12:08:07,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 442 transitions, 8226 flow [2021-03-25 12:08:07,382 INFO L129 PetriNetUnfolder]: 455/1134 cut-off events. [2021-03-25 12:08:07,382 INFO L130 PetriNetUnfolder]: For 16981/17025 co-relation queries the response was YES. [2021-03-25 12:08:07,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 1134 events. 455/1134 cut-off events. For 16981/17025 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8614 event pairs, 4 based on Foata normal form. 3/1131 useless extension candidates. Maximal degree in co-relation 8892. Up to 329 conditions per place. [2021-03-25 12:08:07,401 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 12:08:07,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:07,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:07,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-25 12:08:07,425 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 442 transitions, 8226 flow [2021-03-25 12:08:07,425 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) [2021-03-25 12:08:07,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:07,425 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:07,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-25 12:08:07,626 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:07,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2074104379, now seen corresponding path program 17 times [2021-03-25 12:08:07,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:07,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310279939] [2021-03-25 12:08:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:07,642 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:07,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:07,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:07,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:07,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:07,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310279939] [2021-03-25 12:08:07,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756250025] [2021-03-25 12:08:07,664 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 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 [2021-03-25 12:08:07,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 12:08:07,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:07,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:07,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:07,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:07,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:07,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:07,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:07,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:07,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:07,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:07,746 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:07,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:07,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:07,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:07,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:07,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:07,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:07,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:07,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:07,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:08:07,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762098931] [2021-03-25 12:08:07,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:07,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:07,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:07,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:07,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:07,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 442 transitions, 8226 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) [2021-03-25 12:08:07,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:07,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:07,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:08,158 INFO L129 PetriNetUnfolder]: 561/1279 cut-off events. [2021-03-25 12:08:08,158 INFO L130 PetriNetUnfolder]: For 22524/22555 co-relation queries the response was YES. [2021-03-25 12:08:08,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11391 conditions, 1279 events. 561/1279 cut-off events. For 22524/22555 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 9197 event pairs, 34 based on Foata normal form. 24/1302 useless extension candidates. Maximal degree in co-relation 11252. Up to 695 conditions per place. [2021-03-25 12:08:08,175 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 265 selfloop transitions, 204 changer transitions 0/476 dead transitions. [2021-03-25 12:08:08,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 476 transitions, 9865 flow [2021-03-25 12:08:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:08:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:08:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 329 transitions. [2021-03-25 12:08:08,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46732954545454547 [2021-03-25 12:08:08,176 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 329 transitions. [2021-03-25 12:08:08,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 329 transitions. [2021-03-25 12:08:08,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:08,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 329 transitions. [2021-03-25 12:08:08,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.5625) internal successors, (329), 16 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:08,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 44.0) internal successors, (748), 17 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:08,178 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 44.0) internal successors, (748), 17 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:08,178 INFO L185 Difference]: Start difference. First operand has 225 places, 442 transitions, 8226 flow. Second operand 16 states and 329 transitions. [2021-03-25 12:08:08,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 476 transitions, 9865 flow [2021-03-25 12:08:08,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 476 transitions, 9549 flow, removed 37 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:08,334 INFO L241 Difference]: Finished difference. Result has 235 places, 450 transitions, 8639 flow [2021-03-25 12:08:08,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7901, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8639, PETRI_PLACES=235, PETRI_TRANSITIONS=450} [2021-03-25 12:08:08,335 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 214 predicate places. [2021-03-25 12:08:08,335 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:08,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 450 transitions, 8639 flow [2021-03-25 12:08:08,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 450 transitions, 8639 flow [2021-03-25 12:08:08,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 450 transitions, 8639 flow [2021-03-25 12:08:08,487 INFO L129 PetriNetUnfolder]: 445/1132 cut-off events. [2021-03-25 12:08:08,488 INFO L130 PetriNetUnfolder]: For 17990/18054 co-relation queries the response was YES. [2021-03-25 12:08:08,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9093 conditions, 1132 events. 445/1132 cut-off events. For 17990/18054 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 8720 event pairs, 5 based on Foata normal form. 4/1130 useless extension candidates. Maximal degree in co-relation 8923. Up to 316 conditions per place. [2021-03-25 12:08:08,508 INFO L142 LiptonReduction]: Number of co-enabled transitions 738 [2021-03-25 12:08:08,540 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:08,540 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:08,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-25 12:08:08,540 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 450 transitions, 8639 flow [2021-03-25 12:08:08,541 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) [2021-03-25 12:08:08,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:08,541 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:08,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:08,741 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:08,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:08,741 INFO L82 PathProgramCache]: Analyzing trace with hash -356926989, now seen corresponding path program 18 times [2021-03-25 12:08:08,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:08,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490635139] [2021-03-25 12:08:08,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:08,754 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:08,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:08,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:08,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490635139] [2021-03-25 12:08:08,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195161599] [2021-03-25 12:08:08,778 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 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 [2021-03-25 12:08:08,799 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 12:08:08,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:08,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:08,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:08,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:08,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:08,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:08,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:08,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:08,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:08,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:08,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:08,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:08,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:08,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:08,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:08,866 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:08,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:08,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:08,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407404828] [2021-03-25 12:08:08,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:08,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:08,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:08,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:08,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:08,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 450 transitions, 8639 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) [2021-03-25 12:08:08,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:08,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:08,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:09,232 INFO L129 PetriNetUnfolder]: 561/1277 cut-off events. [2021-03-25 12:08:09,233 INFO L130 PetriNetUnfolder]: For 24394/24408 co-relation queries the response was YES. [2021-03-25 12:08:09,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11594 conditions, 1277 events. 561/1277 cut-off events. For 24394/24408 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 9176 event pairs, 42 based on Foata normal form. 16/1292 useless extension candidates. Maximal degree in co-relation 11452. Up to 747 conditions per place. [2021-03-25 12:08:09,246 INFO L132 encePairwiseOnDemand]: 34/44 looper letters, 275 selfloop transitions, 191 changer transitions 0/473 dead transitions. [2021-03-25 12:08:09,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 473 transitions, 9980 flow [2021-03-25 12:08:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:08:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:08:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 252 transitions. [2021-03-25 12:08:09,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4772727272727273 [2021-03-25 12:08:09,247 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 252 transitions. [2021-03-25 12:08:09,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 252 transitions. [2021-03-25 12:08:09,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:09,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 252 transitions. [2021-03-25 12:08:09,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 21.0) internal successors, (252), 12 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) [2021-03-25 12:08:09,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 44.0) internal successors, (572), 13 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:09,248 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 44.0) internal successors, (572), 13 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:09,248 INFO L185 Difference]: Start difference. First operand has 235 places, 450 transitions, 8639 flow. Second operand 12 states and 252 transitions. [2021-03-25 12:08:09,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 473 transitions, 9980 flow [2021-03-25 12:08:09,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 473 transitions, 9655 flow, removed 27 selfloop flow, removed 12 redundant places. [2021-03-25 12:08:09,375 INFO L241 Difference]: Finished difference. Result has 236 places, 453 transitions, 8877 flow [2021-03-25 12:08:09,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8295, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8877, PETRI_PLACES=236, PETRI_TRANSITIONS=453} [2021-03-25 12:08:09,376 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 215 predicate places. [2021-03-25 12:08:09,376 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:09,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 453 transitions, 8877 flow [2021-03-25 12:08:09,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 453 transitions, 8877 flow [2021-03-25 12:08:09,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 453 transitions, 8877 flow [2021-03-25 12:08:09,511 INFO L129 PetriNetUnfolder]: 455/1139 cut-off events. [2021-03-25 12:08:09,511 INFO L130 PetriNetUnfolder]: For 18741/18802 co-relation queries the response was YES. [2021-03-25 12:08:09,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9277 conditions, 1139 events. 455/1139 cut-off events. For 18741/18802 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 8696 event pairs, 4 based on Foata normal form. 4/1138 useless extension candidates. Maximal degree in co-relation 9125. Up to 326 conditions per place. [2021-03-25 12:08:09,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 742 [2021-03-25 12:08:09,548 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:09,548 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:09,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-25 12:08:09,549 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 453 transitions, 8877 flow [2021-03-25 12:08:09,549 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) [2021-03-25 12:08:09,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:09,549 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:09,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-25 12:08:09,749 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash -808360022, now seen corresponding path program 3 times [2021-03-25 12:08:09,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:09,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874800884] [2021-03-25 12:08:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:09,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:09,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:09,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:09,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874800884] [2021-03-25 12:08:09,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532473146] [2021-03-25 12:08:09,770 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:08:09,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:08:09,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:09,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 12:08:09,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:09,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:09,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:09,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:09,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:09,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:09,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:09,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:09,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:09,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:09,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:09,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:09,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:09,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:09,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:09,846 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:09,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:09,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:09,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:09,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-25 12:08:09,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610770615] [2021-03-25 12:08:09,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 12:08:09,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:09,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 12:08:09,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 12:08:09,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 12:08:09,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 453 transitions, 8877 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) [2021-03-25 12:08:09,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:09,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 12:08:09,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:10,177 INFO L129 PetriNetUnfolder]: 574/1279 cut-off events. [2021-03-25 12:08:10,177 INFO L130 PetriNetUnfolder]: For 24384/24398 co-relation queries the response was YES. [2021-03-25 12:08:10,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11682 conditions, 1279 events. 574/1279 cut-off events. For 24384/24398 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 9036 event pairs, 45 based on Foata normal form. 14/1292 useless extension candidates. Maximal degree in co-relation 11539. Up to 942 conditions per place. [2021-03-25 12:08:10,190 INFO L132 encePairwiseOnDemand]: 39/44 looper letters, 428 selfloop transitions, 39 changer transitions 0/474 dead transitions. [2021-03-25 12:08:10,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 474 transitions, 10115 flow [2021-03-25 12:08:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:08:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:08:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-25 12:08:10,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.509090909090909 [2021-03-25 12:08:10,190 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-25 12:08:10,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-25 12:08:10,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:10,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-25 12:08:10,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:10,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:10,191 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:10,191 INFO L185 Difference]: Start difference. First operand has 236 places, 453 transitions, 8877 flow. Second operand 5 states and 112 transitions. [2021-03-25 12:08:10,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 474 transitions, 10115 flow [2021-03-25 12:08:10,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 474 transitions, 9775 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-25 12:08:10,313 INFO L241 Difference]: Finished difference. Result has 230 places, 459 transitions, 8737 flow [2021-03-25 12:08:10,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8458, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8737, PETRI_PLACES=230, PETRI_TRANSITIONS=459} [2021-03-25 12:08:10,314 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 209 predicate places. [2021-03-25 12:08:10,314 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:10,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 459 transitions, 8737 flow [2021-03-25 12:08:10,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 459 transitions, 8737 flow [2021-03-25 12:08:10,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 459 transitions, 8737 flow [2021-03-25 12:08:10,448 INFO L129 PetriNetUnfolder]: 464/1143 cut-off events. [2021-03-25 12:08:10,448 INFO L130 PetriNetUnfolder]: For 18129/18173 co-relation queries the response was YES. [2021-03-25 12:08:10,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9149 conditions, 1143 events. 464/1143 cut-off events. For 18129/18173 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 8602 event pairs, 4 based on Foata normal form. 2/1140 useless extension candidates. Maximal degree in co-relation 9013. Up to 340 conditions per place. [2021-03-25 12:08:10,462 INFO L142 LiptonReduction]: Number of co-enabled transitions 730 [2021-03-25 12:08:10,489 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:10,489 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:10,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-25 12:08:10,490 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 459 transitions, 8737 flow [2021-03-25 12:08:10,490 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) [2021-03-25 12:08:10,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:10,490 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:10,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:10,690 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:10,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:10,690 INFO L82 PathProgramCache]: Analyzing trace with hash 25002635, now seen corresponding path program 19 times [2021-03-25 12:08:10,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:10,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713347271] [2021-03-25 12:08:10,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:10,698 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:10,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:10,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713347271] [2021-03-25 12:08:10,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428286490] [2021-03-25 12:08:10,718 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 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 [2021-03-25 12:08:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:10,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:10,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:10,756 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:10,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:10,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:10,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:10,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:10,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,764 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 12:08:10,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:10,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:10,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:10,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:10,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:10,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:10,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:10,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:10,770 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:10,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:10,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:10,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-25 12:08:10,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929527468] [2021-03-25 12:08:10,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:08:10,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:10,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:08:10,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:08:10,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:10,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 459 transitions, 8737 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) [2021-03-25 12:08:10,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:10,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:10,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:11,092 INFO L129 PetriNetUnfolder]: 607/1423 cut-off events. [2021-03-25 12:08:11,092 INFO L130 PetriNetUnfolder]: For 25436/25450 co-relation queries the response was YES. [2021-03-25 12:08:11,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12486 conditions, 1423 events. 607/1423 cut-off events. For 25436/25450 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10610 event pairs, 30 based on Foata normal form. 12/1434 useless extension candidates. Maximal degree in co-relation 12321. Up to 523 conditions per place. [2021-03-25 12:08:11,106 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 342 selfloop transitions, 178 changer transitions 3/530 dead transitions. [2021-03-25 12:08:11,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 530 transitions, 11310 flow [2021-03-25 12:08:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:08:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:08:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 276 transitions. [2021-03-25 12:08:11,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44805194805194803 [2021-03-25 12:08:11,107 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 276 transitions. [2021-03-25 12:08:11,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 276 transitions. [2021-03-25 12:08:11,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:11,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 276 transitions. [2021-03-25 12:08:11,108 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) [2021-03-25 12:08:11,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 44.0) internal successors, (660), 15 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:11,108 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 44.0) internal successors, (660), 15 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:11,108 INFO L185 Difference]: Start difference. First operand has 230 places, 459 transitions, 8737 flow. Second operand 14 states and 276 transitions. [2021-03-25 12:08:11,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 530 transitions, 11310 flow [2021-03-25 12:08:11,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 530 transitions, 11232 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 12:08:11,251 INFO L241 Difference]: Finished difference. Result has 245 places, 509 transitions, 10449 flow [2021-03-25 12:08:11,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8641, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10449, PETRI_PLACES=245, PETRI_TRANSITIONS=509} [2021-03-25 12:08:11,252 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 224 predicate places. [2021-03-25 12:08:11,252 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:11,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 509 transitions, 10449 flow [2021-03-25 12:08:11,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 509 transitions, 10449 flow [2021-03-25 12:08:11,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 509 transitions, 10449 flow [2021-03-25 12:08:11,391 INFO L129 PetriNetUnfolder]: 490/1255 cut-off events. [2021-03-25 12:08:11,391 INFO L130 PetriNetUnfolder]: For 23736/23798 co-relation queries the response was YES. [2021-03-25 12:08:11,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10533 conditions, 1255 events. 490/1255 cut-off events. For 23736/23798 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 9858 event pairs, 4 based on Foata normal form. 9/1259 useless extension candidates. Maximal degree in co-relation 10379. Up to 374 conditions per place. [2021-03-25 12:08:11,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-25 12:08:11,437 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:11,438 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:11,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-25 12:08:11,438 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 509 transitions, 10449 flow [2021-03-25 12:08:11,438 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) [2021-03-25 12:08:11,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:11,438 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:11,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-25 12:08:11,656 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:11,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:11,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1621009649, now seen corresponding path program 20 times [2021-03-25 12:08:11,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:11,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331192736] [2021-03-25 12:08:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:11,662 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:11,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331192736] [2021-03-25 12:08:11,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571224935] [2021-03-25 12:08:11,677 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 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 [2021-03-25 12:08:11,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:11,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:11,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:11,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:11,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,715 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:11,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:11,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:11,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:11,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:11,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:11,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:11,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:11,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:11,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:11,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:11,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:11,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:11,752 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:11,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:11,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:11,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:11,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 12:08:11,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290930] [2021-03-25 12:08:11,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 12:08:11,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:11,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 12:08:11,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 12:08:11,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 12:08:11,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 509 transitions, 10449 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) [2021-03-25 12:08:11,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:11,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 12:08:11,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:12,090 INFO L129 PetriNetUnfolder]: 620/1452 cut-off events. [2021-03-25 12:08:12,091 INFO L130 PetriNetUnfolder]: For 30971/31017 co-relation queries the response was YES. [2021-03-25 12:08:12,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13605 conditions, 1452 events. 620/1452 cut-off events. For 30971/31017 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 10858 event pairs, 32 based on Foata normal form. 37/1488 useless extension candidates. Maximal degree in co-relation 13438. Up to 788 conditions per place. [2021-03-25 12:08:12,106 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 404 selfloop transitions, 150 changer transitions 0/561 dead transitions. [2021-03-25 12:08:12,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 561 transitions, 12744 flow [2021-03-25 12:08:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:08:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:08:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 209 transitions. [2021-03-25 12:08:12,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.475 [2021-03-25 12:08:12,107 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 209 transitions. [2021-03-25 12:08:12,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 209 transitions. [2021-03-25 12:08:12,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:12,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 209 transitions. [2021-03-25 12:08:12,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.9) internal successors, (209), 10 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:12,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:12,109 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:12,109 INFO L185 Difference]: Start difference. First operand has 245 places, 509 transitions, 10449 flow. Second operand 10 states and 209 transitions. [2021-03-25 12:08:12,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 561 transitions, 12744 flow [2021-03-25 12:08:12,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 561 transitions, 12513 flow, removed 93 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:12,272 INFO L241 Difference]: Finished difference. Result has 251 places, 527 transitions, 11205 flow [2021-03-25 12:08:12,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10234, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=11205, PETRI_PLACES=251, PETRI_TRANSITIONS=527} [2021-03-25 12:08:12,272 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 230 predicate places. [2021-03-25 12:08:12,272 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:12,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 527 transitions, 11205 flow [2021-03-25 12:08:12,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 527 transitions, 11205 flow [2021-03-25 12:08:12,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 527 transitions, 11205 flow [2021-03-25 12:08:12,422 INFO L129 PetriNetUnfolder]: 498/1286 cut-off events. [2021-03-25 12:08:12,423 INFO L130 PetriNetUnfolder]: For 26251/26302 co-relation queries the response was YES. [2021-03-25 12:08:12,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11163 conditions, 1286 events. 498/1286 cut-off events. For 26251/26302 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10226 event pairs, 4 based on Foata normal form. 5/1285 useless extension candidates. Maximal degree in co-relation 11023. Up to 382 conditions per place. [2021-03-25 12:08:12,441 INFO L142 LiptonReduction]: Number of co-enabled transitions 814 [2021-03-25 12:08:12,574 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:12,574 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:08:12,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-25 12:08:12,574 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 527 transitions, 11220 flow [2021-03-25 12:08:12,575 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) [2021-03-25 12:08:12,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:12,575 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:12,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:12,780 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash 175115330, now seen corresponding path program 2 times [2021-03-25 12:08:12,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:12,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338245033] [2021-03-25 12:08:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:12,822 INFO L142 QuantifierPusher]: treesize reduction 35, result has 52.7 percent of original size [2021-03-25 12:08:12,822 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size 36 [2021-03-25 12:08:12,843 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:08:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:12,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:12,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:08:12,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:12,893 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:08:12,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:12,903 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:08:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:12,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338245033] [2021-03-25 12:08:12,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832215869] [2021-03-25 12:08:12,911 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 [2021-03-25 12:08:12,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:12,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:12,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 12:08:12,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:12,967 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 12:08:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:12,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:12,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:12,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:12,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,978 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-03-25 12:08:12,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-25 12:08:12,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:12,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:12,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 12:08:12,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:08:12,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:12,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:13,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,023 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-03-25 12:08:13,023 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-03-25 12:08:13,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:13,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:13,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:13,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,045 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-03-25 12:08:13,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size [2021-03-25 12:08:13,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:13,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:13,053 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 25 treesize of output 13 [2021-03-25 12:08:13,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:13,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:13,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:08:13,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:08:13,059 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-03-25 12:08:13,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:13,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:13,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:08:13,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80489540] [2021-03-25 12:08:13,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:08:13,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:13,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:08:13,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:08:13,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-25 12:08:13,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 527 transitions, 11220 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) [2021-03-25 12:08:13,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:13,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-25 12:08:13,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:13,569 INFO L129 PetriNetUnfolder]: 640/1521 cut-off events. [2021-03-25 12:08:13,569 INFO L130 PetriNetUnfolder]: For 34990/35036 co-relation queries the response was YES. [2021-03-25 12:08:13,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14728 conditions, 1521 events. 640/1521 cut-off events. For 34990/35036 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 11739 event pairs, 45 based on Foata normal form. 28/1548 useless extension candidates. Maximal degree in co-relation 14575. Up to 1182 conditions per place. [2021-03-25 12:08:13,586 INFO L132 encePairwiseOnDemand]: 35/45 looper letters, 518 selfloop transitions, 44 changer transitions 2/570 dead transitions. [2021-03-25 12:08:13,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 570 transitions, 13528 flow [2021-03-25 12:08:13,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:08:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:08:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 198 transitions. [2021-03-25 12:08:13,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4 [2021-03-25 12:08:13,587 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 198 transitions. [2021-03-25 12:08:13,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 198 transitions. [2021-03-25 12:08:13,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:13,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 198 transitions. [2021-03-25 12:08:13,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.0) internal successors, (198), 11 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) [2021-03-25 12:08:13,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:13,589 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:13,589 INFO L185 Difference]: Start difference. First operand has 251 places, 527 transitions, 11220 flow. Second operand 11 states and 198 transitions. [2021-03-25 12:08:13,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 570 transitions, 13528 flow [2021-03-25 12:08:13,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 570 transitions, 13327 flow, removed 35 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:13,809 INFO L241 Difference]: Finished difference. Result has 258 places, 559 transitions, 12110 flow [2021-03-25 12:08:13,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=11034, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=12110, PETRI_PLACES=258, PETRI_TRANSITIONS=559} [2021-03-25 12:08:13,810 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 237 predicate places. [2021-03-25 12:08:13,810 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:13,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 559 transitions, 12110 flow [2021-03-25 12:08:13,810 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 559 transitions, 12110 flow [2021-03-25 12:08:13,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 559 transitions, 12110 flow [2021-03-25 12:08:14,004 INFO L129 PetriNetUnfolder]: 518/1363 cut-off events. [2021-03-25 12:08:14,004 INFO L130 PetriNetUnfolder]: For 28917/28957 co-relation queries the response was YES. [2021-03-25 12:08:14,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11994 conditions, 1363 events. 518/1363 cut-off events. For 28917/28957 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 11140 event pairs, 5 based on Foata normal form. 6/1362 useless extension candidates. Maximal degree in co-relation 11851. Up to 386 conditions per place. [2021-03-25 12:08:14,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 876 [2021-03-25 12:08:14,299 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 12:08:14,300 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 12:08:14,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-25 12:08:14,300 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 559 transitions, 12132 flow [2021-03-25 12:08:14,300 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) [2021-03-25 12:08:14,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:14,300 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:14,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-25 12:08:14,504 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:14,504 INFO L82 PathProgramCache]: Analyzing trace with hash -862175171, now seen corresponding path program 21 times [2021-03-25 12:08:14,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:14,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651521224] [2021-03-25 12:08:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:14,511 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 12:08:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:14,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:14,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651521224] [2021-03-25 12:08:14,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169209807] [2021-03-25 12:08:14,528 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 [2021-03-25 12:08:14,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:08:14,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:14,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:14,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:14,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:14,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:14,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:14,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:14,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:14,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:14,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:14,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:14,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:14,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:14,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:14,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:14,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:14,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:14,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:14,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:14,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:14,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:14,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 12:08:14,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824122842] [2021-03-25 12:08:14,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:14,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:14,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:14,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:14,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 48 [2021-03-25 12:08:14,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 559 transitions, 12132 flow. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:14,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:14,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 48 [2021-03-25 12:08:14,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:15,178 INFO L129 PetriNetUnfolder]: 800/1836 cut-off events. [2021-03-25 12:08:15,178 INFO L130 PetriNetUnfolder]: For 43020/43066 co-relation queries the response was YES. [2021-03-25 12:08:15,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17731 conditions, 1836 events. 800/1836 cut-off events. For 43020/43066 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14245 event pairs, 47 based on Foata normal form. 42/1876 useless extension candidates. Maximal degree in co-relation 17569. Up to 1068 conditions per place. [2021-03-25 12:08:15,197 INFO L132 encePairwiseOnDemand]: 37/48 looper letters, 536 selfloop transitions, 147 changer transitions 0/690 dead transitions. [2021-03-25 12:08:15,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 690 transitions, 15658 flow [2021-03-25 12:08:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:08:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:08:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 216 transitions. [2021-03-25 12:08:15,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-25 12:08:15,198 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 216 transitions. [2021-03-25 12:08:15,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 216 transitions. [2021-03-25 12:08:15,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:15,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 216 transitions. [2021-03-25 12:08:15,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.6) internal successors, (216), 10 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:15,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 48.0) internal successors, (528), 11 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) [2021-03-25 12:08:15,199 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 48.0) internal successors, (528), 11 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) [2021-03-25 12:08:15,199 INFO L185 Difference]: Start difference. First operand has 258 places, 559 transitions, 12132 flow. Second operand 10 states and 216 transitions. [2021-03-25 12:08:15,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 690 transitions, 15658 flow [2021-03-25 12:08:15,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 690 transitions, 15406 flow, removed 111 selfloop flow, removed 5 redundant places. [2021-03-25 12:08:15,412 INFO L241 Difference]: Finished difference. Result has 265 places, 630 transitions, 13524 flow [2021-03-25 12:08:15,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=11717, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13524, PETRI_PLACES=265, PETRI_TRANSITIONS=630} [2021-03-25 12:08:15,413 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 244 predicate places. [2021-03-25 12:08:15,413 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:15,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 630 transitions, 13524 flow [2021-03-25 12:08:15,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 630 transitions, 13524 flow [2021-03-25 12:08:15,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 630 transitions, 13524 flow [2021-03-25 12:08:15,626 INFO L129 PetriNetUnfolder]: 636/1639 cut-off events. [2021-03-25 12:08:15,626 INFO L130 PetriNetUnfolder]: For 35284/35420 co-relation queries the response was YES. [2021-03-25 12:08:15,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14390 conditions, 1639 events. 636/1639 cut-off events. For 35284/35420 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13648 event pairs, 7 based on Foata normal form. 14/1645 useless extension candidates. Maximal degree in co-relation 14050. Up to 510 conditions per place. [2021-03-25 12:08:15,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-25 12:08:15,697 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:15,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:15,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 284 [2021-03-25 12:08:15,697 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 630 transitions, 13524 flow [2021-03-25 12:08:15,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:15,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:15,697 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:15,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:15,900 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:15,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1003965700, now seen corresponding path program 1 times [2021-03-25 12:08:15,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:15,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203717513] [2021-03-25 12:08:15,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:15,914 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:15,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:15,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:15,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203717513] [2021-03-25 12:08:15,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002296582] [2021-03-25 12:08:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:08:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:15,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:08:15,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:15,968 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:15,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:15,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:15,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:15,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:15,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:15,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:15,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:15,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:15,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:15,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:15,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:15,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:15,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:15,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:15,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-25 12:08:15,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107339119] [2021-03-25 12:08:15,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:08:15,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:15,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:08:15,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:08:15,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 48 [2021-03-25 12:08:15,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 630 transitions, 13524 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) [2021-03-25 12:08:15,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:15,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 48 [2021-03-25 12:08:15,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:16,537 INFO L129 PetriNetUnfolder]: 816/1886 cut-off events. [2021-03-25 12:08:16,538 INFO L130 PetriNetUnfolder]: For 45980/45994 co-relation queries the response was YES. [2021-03-25 12:08:16,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18656 conditions, 1886 events. 816/1886 cut-off events. For 45980/45994 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 14772 event pairs, 65 based on Foata normal form. 14/1897 useless extension candidates. Maximal degree in co-relation 18294. Up to 1406 conditions per place. [2021-03-25 12:08:16,561 INFO L132 encePairwiseOnDemand]: 35/48 looper letters, 585 selfloop transitions, 74 changer transitions 0/666 dead transitions. [2021-03-25 12:08:16,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 666 transitions, 15774 flow [2021-03-25 12:08:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:08:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:08:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 254 transitions. [2021-03-25 12:08:16,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40705128205128205 [2021-03-25 12:08:16,562 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 254 transitions. [2021-03-25 12:08:16,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 254 transitions. [2021-03-25 12:08:16,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:16,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 254 transitions. [2021-03-25 12:08:16,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 19.53846153846154) internal successors, (254), 13 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:16,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 48.0) internal successors, (672), 14 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:16,564 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 48.0) internal successors, (672), 14 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:16,564 INFO L185 Difference]: Start difference. First operand has 265 places, 630 transitions, 13524 flow. Second operand 13 states and 254 transitions. [2021-03-25 12:08:16,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 666 transitions, 15774 flow [2021-03-25 12:08:16,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 666 transitions, 15696 flow, removed 34 selfloop flow, removed 1 redundant places. [2021-03-25 12:08:16,828 INFO L241 Difference]: Finished difference. Result has 278 places, 655 transitions, 14335 flow [2021-03-25 12:08:16,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=13446, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14335, PETRI_PLACES=278, PETRI_TRANSITIONS=655} [2021-03-25 12:08:16,828 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 257 predicate places. [2021-03-25 12:08:16,829 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:16,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 655 transitions, 14335 flow [2021-03-25 12:08:16,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 655 transitions, 14335 flow [2021-03-25 12:08:16,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 655 transitions, 14335 flow [2021-03-25 12:08:17,059 INFO L129 PetriNetUnfolder]: 648/1684 cut-off events. [2021-03-25 12:08:17,059 INFO L130 PetriNetUnfolder]: For 38467/38606 co-relation queries the response was YES. [2021-03-25 12:08:17,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14988 conditions, 1684 events. 648/1684 cut-off events. For 38467/38606 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 14193 event pairs, 6 based on Foata normal form. 20/1697 useless extension candidates. Maximal degree in co-relation 14694. Up to 520 conditions per place. [2021-03-25 12:08:17,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-25 12:08:17,164 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:17,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:17,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-03-25 12:08:17,165 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 655 transitions, 14335 flow [2021-03-25 12:08:17,165 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) [2021-03-25 12:08:17,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:17,165 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:17,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-25 12:08:17,366 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:17,366 INFO L82 PathProgramCache]: Analyzing trace with hash 110239022, now seen corresponding path program 1 times [2021-03-25 12:08:17,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:17,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979868682] [2021-03-25 12:08:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:17,383 INFO L142 QuantifierPusher]: treesize reduction 47, result has 39.0 percent of original size [2021-03-25 12:08:17,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:17,402 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-25 12:08:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:17,411 INFO L142 QuantifierPusher]: treesize reduction 47, result has 51.5 percent of original size [2021-03-25 12:08:17,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 12:08:17,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:17,449 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:08:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:17,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979868682] [2021-03-25 12:08:17,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937140200] [2021-03-25 12:08:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-25 12:08:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:17,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-25 12:08:17,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:17,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:17,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 12:08:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:17,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:17,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:17,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:17,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,539 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 12:08:17,540 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 12:08:17,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:17,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:17,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:17,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:08:17,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:08:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:17,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:17,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:17,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:17,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:17,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:08:17,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:17,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:17,601 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 [2021-03-25 12:08:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:17,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:08:17,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:08:17,609 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 12:08:17,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:17,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:17,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 12:08:17,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471359999] [2021-03-25 12:08:17,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:08:17,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:17,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:08:17,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:08:17,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2021-03-25 12:08:17,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 655 transitions, 14335 flow. Second operand has 12 states, 12 states have (on average 15.333333333333334) internal successors, (184), 12 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:17,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:17,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2021-03-25 12:08:17,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:18,218 INFO L129 PetriNetUnfolder]: 819/1898 cut-off events. [2021-03-25 12:08:18,218 INFO L130 PetriNetUnfolder]: For 47743/47767 co-relation queries the response was YES. [2021-03-25 12:08:18,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18967 conditions, 1898 events. 819/1898 cut-off events. For 47743/47767 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 14942 event pairs, 66 based on Foata normal form. 18/1913 useless extension candidates. Maximal degree in co-relation 18599. Up to 1531 conditions per place. [2021-03-25 12:08:18,239 INFO L132 encePairwiseOnDemand]: 36/48 looper letters, 632 selfloop transitions, 24 changer transitions 4/666 dead transitions. [2021-03-25 12:08:18,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 666 transitions, 15850 flow [2021-03-25 12:08:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 12:08:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 12:08:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 159 transitions. [2021-03-25 12:08:18,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3680555555555556 [2021-03-25 12:08:18,241 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 159 transitions. [2021-03-25 12:08:18,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 159 transitions. [2021-03-25 12:08:18,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:18,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 159 transitions. [2021-03-25 12:08:18,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 9 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:18,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 48.0) internal successors, (480), 10 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) [2021-03-25 12:08:18,241 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 48.0) internal successors, (480), 10 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) [2021-03-25 12:08:18,242 INFO L185 Difference]: Start difference. First operand has 278 places, 655 transitions, 14335 flow. Second operand 9 states and 159 transitions. [2021-03-25 12:08:18,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 666 transitions, 15850 flow [2021-03-25 12:08:18,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 666 transitions, 15693 flow, removed 51 selfloop flow, removed 7 redundant places. [2021-03-25 12:08:18,590 INFO L241 Difference]: Finished difference. Result has 281 places, 660 transitions, 14350 flow [2021-03-25 12:08:18,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=14178, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14350, PETRI_PLACES=281, PETRI_TRANSITIONS=660} [2021-03-25 12:08:18,590 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 260 predicate places. [2021-03-25 12:08:18,591 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:18,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 660 transitions, 14350 flow [2021-03-25 12:08:18,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 660 transitions, 14350 flow [2021-03-25 12:08:18,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 660 transitions, 14350 flow [2021-03-25 12:08:18,887 INFO L129 PetriNetUnfolder]: 654/1701 cut-off events. [2021-03-25 12:08:18,887 INFO L130 PetriNetUnfolder]: For 38022/38143 co-relation queries the response was YES. [2021-03-25 12:08:18,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15158 conditions, 1701 events. 654/1701 cut-off events. For 38022/38143 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14340 event pairs, 6 based on Foata normal form. 20/1712 useless extension candidates. Maximal degree in co-relation 14803. Up to 523 conditions per place. [2021-03-25 12:08:18,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-25 12:08:18,959 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:18,959 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:18,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 368 [2021-03-25 12:08:18,960 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 660 transitions, 14350 flow [2021-03-25 12:08:18,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.333333333333334) internal successors, (184), 12 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:18,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:18,960 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:19,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-25 12:08:19,160 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash -422335088, now seen corresponding path program 2 times [2021-03-25 12:08:19,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:19,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434447789] [2021-03-25 12:08:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:19,179 INFO L142 QuantifierPusher]: treesize reduction 47, result has 39.0 percent of original size [2021-03-25 12:08:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:19,196 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-25 12:08:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:19,203 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size [2021-03-25 12:08:19,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:19,213 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-03-25 12:08:19,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:08:19,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:19,236 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-03-25 12:08:19,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:08:19,247 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 12:08:19,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:19,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434447789] [2021-03-25 12:08:19,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620394567] [2021-03-25 12:08:19,254 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 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 [2021-03-25 12:08:19,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:19,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:19,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-25 12:08:19,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:19,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:08:19,307 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 12:08:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:19,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:19,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,333 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-25 12:08:19,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 12:08:19,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,374 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-03-25 12:08:19,374 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 12:08:19,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:19,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:19,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:19,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,397 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-25 12:08:19,397 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-25 12:08:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:08:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:19,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:19,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:08:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:08:19,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:19,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:08:19,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:19,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:19,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:08:19,407 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 23 treesize of output 11 [2021-03-25 12:08:19,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:19,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:19,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:08:19,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:08:19,414 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:7 [2021-03-25 12:08:19,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:19,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:19,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-03-25 12:08:19,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992788429] [2021-03-25 12:08:19,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:08:19,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:19,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:08:19,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:08:19,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2021-03-25 12:08:19,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 660 transitions, 14350 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) [2021-03-25 12:08:19,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:19,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2021-03-25 12:08:19,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:20,141 INFO L129 PetriNetUnfolder]: 845/1978 cut-off events. [2021-03-25 12:08:20,141 INFO L130 PetriNetUnfolder]: For 48466/48490 co-relation queries the response was YES. [2021-03-25 12:08:20,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19669 conditions, 1978 events. 845/1978 cut-off events. For 48466/48490 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 15758 event pairs, 56 based on Foata normal form. 22/1997 useless extension candidates. Maximal degree in co-relation 19197. Up to 1549 conditions per place. [2021-03-25 12:08:20,170 INFO L132 encePairwiseOnDemand]: 36/48 looper letters, 635 selfloop transitions, 71 changer transitions 3/715 dead transitions. [2021-03-25 12:08:20,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 715 transitions, 16725 flow [2021-03-25 12:08:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:08:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:08:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 221 transitions. [2021-03-25 12:08:20,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3836805555555556 [2021-03-25 12:08:20,172 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 221 transitions. [2021-03-25 12:08:20,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 221 transitions. [2021-03-25 12:08:20,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:20,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 221 transitions. [2021-03-25 12:08:20,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.416666666666668) internal successors, (221), 12 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:20,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 48.0) internal successors, (624), 13 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:20,173 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 48.0) internal successors, (624), 13 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:20,173 INFO L185 Difference]: Start difference. First operand has 281 places, 660 transitions, 14350 flow. Second operand 12 states and 221 transitions. [2021-03-25 12:08:20,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 715 transitions, 16725 flow [2021-03-25 12:08:20,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 715 transitions, 16649 flow, removed 20 selfloop flow, removed 6 redundant places. [2021-03-25 12:08:20,515 INFO L241 Difference]: Finished difference. Result has 290 places, 699 transitions, 15226 flow [2021-03-25 12:08:20,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=14274, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15226, PETRI_PLACES=290, PETRI_TRANSITIONS=699} [2021-03-25 12:08:20,516 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 269 predicate places. [2021-03-25 12:08:20,516 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:20,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 699 transitions, 15226 flow [2021-03-25 12:08:20,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 699 transitions, 15226 flow [2021-03-25 12:08:20,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 699 transitions, 15226 flow [2021-03-25 12:08:20,841 INFO L129 PetriNetUnfolder]: 671/1734 cut-off events. [2021-03-25 12:08:20,841 INFO L130 PetriNetUnfolder]: For 39921/40039 co-relation queries the response was YES. [2021-03-25 12:08:20,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15819 conditions, 1734 events. 671/1734 cut-off events. For 39921/40039 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 14631 event pairs, 7 based on Foata normal form. 25/1744 useless extension candidates. Maximal degree in co-relation 15450. Up to 539 conditions per place. [2021-03-25 12:08:20,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 978 [2021-03-25 12:08:21,180 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:21,181 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 12:08:21,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 665 [2021-03-25 12:08:21,181 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 699 transitions, 15261 flow [2021-03-25 12:08:21,181 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) [2021-03-25 12:08:21,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:21,181 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:21,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-25 12:08:21,382 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:21,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:21,382 INFO L82 PathProgramCache]: Analyzing trace with hash 2092400115, now seen corresponding path program 22 times [2021-03-25 12:08:21,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:21,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953434495] [2021-03-25 12:08:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:21,388 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:21,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:21,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953434495] [2021-03-25 12:08:21,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976953493] [2021-03-25 12:08:21,408 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 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 [2021-03-25 12:08:21,425 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:08:21,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:21,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:21,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:21,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:21,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,455 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:21,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,459 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 12:08:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:21,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:21,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:21,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:21,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:21,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:21,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:21,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:21,466 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:21,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:21,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:21,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:08:21,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10188648] [2021-03-25 12:08:21,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:08:21,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:21,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:08:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:08:21,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:21,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 699 transitions, 15261 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) [2021-03-25 12:08:21,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:21,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:21,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:22,193 INFO L129 PetriNetUnfolder]: 930/2205 cut-off events. [2021-03-25 12:08:22,193 INFO L130 PetriNetUnfolder]: For 56675/56710 co-relation queries the response was YES. [2021-03-25 12:08:22,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22136 conditions, 2205 events. 930/2205 cut-off events. For 56675/56710 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 18111 event pairs, 40 based on Foata normal form. 25/2225 useless extension candidates. Maximal degree in co-relation 21556. Up to 828 conditions per place. [2021-03-25 12:08:22,219 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 503 selfloop transitions, 309 changer transitions 5/824 dead transitions. [2021-03-25 12:08:22,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 824 transitions, 19870 flow [2021-03-25 12:08:22,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 12:08:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 12:08:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 362 transitions. [2021-03-25 12:08:22,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4022222222222222 [2021-03-25 12:08:22,220 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 362 transitions. [2021-03-25 12:08:22,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 362 transitions. [2021-03-25 12:08:22,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:22,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 362 transitions. [2021-03-25 12:08:22,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 20.11111111111111) internal successors, (362), 18 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:22,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 50.0) internal successors, (950), 19 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:22,222 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 50.0) internal successors, (950), 19 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:22,222 INFO L185 Difference]: Start difference. First operand has 290 places, 699 transitions, 15261 flow. Second operand 18 states and 362 transitions. [2021-03-25 12:08:22,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 824 transitions, 19870 flow [2021-03-25 12:08:22,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 824 transitions, 19674 flow, removed 88 selfloop flow, removed 4 redundant places. [2021-03-25 12:08:22,623 INFO L241 Difference]: Finished difference. Result has 310 places, 775 transitions, 17783 flow [2021-03-25 12:08:22,624 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=15065, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17783, PETRI_PLACES=310, PETRI_TRANSITIONS=775} [2021-03-25 12:08:22,624 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 289 predicate places. [2021-03-25 12:08:22,624 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:22,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 775 transitions, 17783 flow [2021-03-25 12:08:22,624 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 775 transitions, 17783 flow [2021-03-25 12:08:22,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 775 transitions, 17783 flow [2021-03-25 12:08:22,978 INFO L129 PetriNetUnfolder]: 766/1986 cut-off events. [2021-03-25 12:08:22,978 INFO L130 PetriNetUnfolder]: For 52177/52294 co-relation queries the response was YES. [2021-03-25 12:08:22,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18993 conditions, 1986 events. 766/1986 cut-off events. For 52177/52294 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 17272 event pairs, 6 based on Foata normal form. 7/1986 useless extension candidates. Maximal degree in co-relation 18429. Up to 587 conditions per place. [2021-03-25 12:08:23,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 12:08:23,072 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:23,072 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:23,072 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-03-25 12:08:23,072 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 775 transitions, 17783 flow [2021-03-25 12:08:23,072 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) [2021-03-25 12:08:23,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:23,073 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:23,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-25 12:08:23,273 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:23,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:23,274 INFO L82 PathProgramCache]: Analyzing trace with hash -271013497, now seen corresponding path program 1 times [2021-03-25 12:08:23,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:23,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350434718] [2021-03-25 12:08:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:23,281 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 12:08:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:23,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:23,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:23,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:23,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:23,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:23,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350434718] [2021-03-25 12:08:23,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050133033] [2021-03-25 12:08:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:08:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:23,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:08:23,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:23,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:23,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:23,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:23,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:23,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:23,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:23,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:23,365 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:08:23,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:23,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:23,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:23,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-25 12:08:23,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904047301] [2021-03-25 12:08:23,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:23,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:23,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:23,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:23,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:23,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 775 transitions, 17783 flow. Second operand has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:23,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:23,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:23,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:24,070 INFO L129 PetriNetUnfolder]: 942/2194 cut-off events. [2021-03-25 12:08:24,070 INFO L130 PetriNetUnfolder]: For 66267/66301 co-relation queries the response was YES. [2021-03-25 12:08:24,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23456 conditions, 2194 events. 942/2194 cut-off events. For 66267/66301 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 17883 event pairs, 77 based on Foata normal form. 31/2220 useless extension candidates. Maximal degree in co-relation 22857. Up to 1628 conditions per place. [2021-03-25 12:08:24,108 INFO L132 encePairwiseOnDemand]: 37/50 looper letters, 732 selfloop transitions, 71 changer transitions 0/810 dead transitions. [2021-03-25 12:08:24,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 810 transitions, 20060 flow [2021-03-25 12:08:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:08:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:08:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 254 transitions. [2021-03-25 12:08:24,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39076923076923076 [2021-03-25 12:08:24,110 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 254 transitions. [2021-03-25 12:08:24,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 254 transitions. [2021-03-25 12:08:24,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:24,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 254 transitions. [2021-03-25 12:08:24,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 19.53846153846154) internal successors, (254), 13 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:24,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 50.0) internal successors, (700), 14 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:24,111 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 50.0) internal successors, (700), 14 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:24,111 INFO L185 Difference]: Start difference. First operand has 309 places, 775 transitions, 17783 flow. Second operand 13 states and 254 transitions. [2021-03-25 12:08:24,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 810 transitions, 20060 flow [2021-03-25 12:08:24,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 810 transitions, 19737 flow, removed 126 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:24,558 INFO L241 Difference]: Finished difference. Result has 315 places, 795 transitions, 18041 flow [2021-03-25 12:08:24,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=17460, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18041, PETRI_PLACES=315, PETRI_TRANSITIONS=795} [2021-03-25 12:08:24,559 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 294 predicate places. [2021-03-25 12:08:24,559 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:24,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 795 transitions, 18041 flow [2021-03-25 12:08:24,559 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 795 transitions, 18041 flow [2021-03-25 12:08:24,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 795 transitions, 18041 flow [2021-03-25 12:08:24,852 INFO L129 PetriNetUnfolder]: 777/2007 cut-off events. [2021-03-25 12:08:24,852 INFO L130 PetriNetUnfolder]: For 51721/51813 co-relation queries the response was YES. [2021-03-25 12:08:24,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19223 conditions, 2007 events. 777/2007 cut-off events. For 51721/51813 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 17390 event pairs, 5 based on Foata normal form. 7/2006 useless extension candidates. Maximal degree in co-relation 18707. Up to 590 conditions per place. [2021-03-25 12:08:24,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 12:08:24,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:24,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:24,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-03-25 12:08:24,957 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 795 transitions, 18041 flow [2021-03-25 12:08:24,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:24,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:24,957 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:25,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:25,157 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:25,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:25,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1457864683, now seen corresponding path program 23 times [2021-03-25 12:08:25,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:25,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847502104] [2021-03-25 12:08:25,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:25,169 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:25,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:25,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847502104] [2021-03-25 12:08:25,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181389523] [2021-03-25 12:08:25,196 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 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 [2021-03-25 12:08:25,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:25,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:25,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,248 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:25,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:25,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:25,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:25,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:25,270 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:25,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:25,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:08:25,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784959503] [2021-03-25 12:08:25,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:25,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:25,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:25,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:25,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 795 transitions, 18041 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) [2021-03-25 12:08:25,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:25,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:25,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:26,070 INFO L129 PetriNetUnfolder]: 940/2210 cut-off events. [2021-03-25 12:08:26,070 INFO L130 PetriNetUnfolder]: For 64276/64310 co-relation queries the response was YES. [2021-03-25 12:08:26,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23400 conditions, 2210 events. 940/2210 cut-off events. For 64276/64310 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 18082 event pairs, 47 based on Foata normal form. 25/2230 useless extension candidates. Maximal degree in co-relation 22895. Up to 854 conditions per place. [2021-03-25 12:08:26,096 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 579 selfloop transitions, 247 changer transitions 3/836 dead transitions. [2021-03-25 12:08:26,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 836 transitions, 20657 flow [2021-03-25 12:08:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:08:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:08:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 285 transitions. [2021-03-25 12:08:26,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40714285714285714 [2021-03-25 12:08:26,097 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 285 transitions. [2021-03-25 12:08:26,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 285 transitions. [2021-03-25 12:08:26,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:26,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 285 transitions. [2021-03-25 12:08:26,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.357142857142858) internal successors, (285), 14 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:26,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 50.0) internal successors, (750), 15 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:26,099 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 50.0) internal successors, (750), 15 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:26,099 INFO L185 Difference]: Start difference. First operand has 315 places, 795 transitions, 18041 flow. Second operand 14 states and 285 transitions. [2021-03-25 12:08:26,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 836 transitions, 20657 flow [2021-03-25 12:08:26,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 836 transitions, 20453 flow, removed 75 selfloop flow, removed 5 redundant places. [2021-03-25 12:08:26,500 INFO L241 Difference]: Finished difference. Result has 330 places, 813 transitions, 19004 flow [2021-03-25 12:08:26,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=17814, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19004, PETRI_PLACES=330, PETRI_TRANSITIONS=813} [2021-03-25 12:08:26,500 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 309 predicate places. [2021-03-25 12:08:26,500 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:26,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 813 transitions, 19004 flow [2021-03-25 12:08:26,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 813 transitions, 19004 flow [2021-03-25 12:08:26,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 329 places, 813 transitions, 19004 flow [2021-03-25 12:08:26,810 INFO L129 PetriNetUnfolder]: 783/1989 cut-off events. [2021-03-25 12:08:26,810 INFO L130 PetriNetUnfolder]: For 56648/56748 co-relation queries the response was YES. [2021-03-25 12:08:26,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19930 conditions, 1989 events. 783/1989 cut-off events. For 56648/56748 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 16980 event pairs, 7 based on Foata normal form. 7/1985 useless extension candidates. Maximal degree in co-relation 19609. Up to 586 conditions per place. [2021-03-25 12:08:26,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 1072 [2021-03-25 12:08:26,924 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:26,924 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:26,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-03-25 12:08:26,925 INFO L480 AbstractCegarLoop]: Abstraction has has 329 places, 813 transitions, 19004 flow [2021-03-25 12:08:26,925 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) [2021-03-25 12:08:26,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:26,925 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:27,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-25 12:08:27,125 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:27,126 INFO L82 PathProgramCache]: Analyzing trace with hash -488385997, now seen corresponding path program 24 times [2021-03-25 12:08:27,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:27,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533996181] [2021-03-25 12:08:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:27,131 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:27,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533996181] [2021-03-25 12:08:27,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125307186] [2021-03-25 12:08:27,153 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:27,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 12:08:27,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:27,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:27,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:27,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:27,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:27,213 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:27,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:27,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:27,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:27,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:27,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:27,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:27,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:27,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:27,230 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:27,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:27,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:08:27,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340948790] [2021-03-25 12:08:27,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:08:27,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:27,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:08:27,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:08:27,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:27,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 813 transitions, 19004 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) [2021-03-25 12:08:27,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:27,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:27,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:28,030 INFO L129 PetriNetUnfolder]: 972/2324 cut-off events. [2021-03-25 12:08:28,030 INFO L130 PetriNetUnfolder]: For 75292/75326 co-relation queries the response was YES. [2021-03-25 12:08:28,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25528 conditions, 2324 events. 972/2324 cut-off events. For 75292/75326 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 19463 event pairs, 59 based on Foata normal form. 29/2348 useless extension candidates. Maximal degree in co-relation 25170. Up to 1174 conditions per place. [2021-03-25 12:08:28,062 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 580 selfloop transitions, 340 changer transitions 0/927 dead transitions. [2021-03-25 12:08:28,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 927 transitions, 23893 flow [2021-03-25 12:08:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:08:28,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:08:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 337 transitions. [2021-03-25 12:08:28,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42125 [2021-03-25 12:08:28,063 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 337 transitions. [2021-03-25 12:08:28,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 337 transitions. [2021-03-25 12:08:28,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:28,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 337 transitions. [2021-03-25 12:08:28,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.0625) internal successors, (337), 16 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:28,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 50.0) internal successors, (850), 17 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:28,065 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 50.0) internal successors, (850), 17 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:28,065 INFO L185 Difference]: Start difference. First operand has 329 places, 813 transitions, 19004 flow. Second operand 16 states and 337 transitions. [2021-03-25 12:08:28,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 927 transitions, 23893 flow [2021-03-25 12:08:28,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 927 transitions, 23551 flow, removed 82 selfloop flow, removed 4 redundant places. [2021-03-25 12:08:28,577 INFO L241 Difference]: Finished difference. Result has 346 places, 860 transitions, 21104 flow [2021-03-25 12:08:28,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=18734, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21104, PETRI_PLACES=346, PETRI_TRANSITIONS=860} [2021-03-25 12:08:28,578 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 325 predicate places. [2021-03-25 12:08:28,578 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:28,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 860 transitions, 21104 flow [2021-03-25 12:08:28,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 860 transitions, 21104 flow [2021-03-25 12:08:28,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 860 transitions, 21104 flow [2021-03-25 12:08:28,966 INFO L129 PetriNetUnfolder]: 816/2169 cut-off events. [2021-03-25 12:08:28,966 INFO L130 PetriNetUnfolder]: For 66804/66921 co-relation queries the response was YES. [2021-03-25 12:08:28,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22147 conditions, 2169 events. 816/2169 cut-off events. For 66804/66921 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 19413 event pairs, 6 based on Foata normal form. 8/2167 useless extension candidates. Maximal degree in co-relation 21812. Up to 627 conditions per place. [2021-03-25 12:08:29,002 INFO L142 LiptonReduction]: Number of co-enabled transitions 1120 [2021-03-25 12:08:29,082 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:29,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:29,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-25 12:08:29,082 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 860 transitions, 21104 flow [2021-03-25 12:08:29,082 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) [2021-03-25 12:08:29,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:29,082 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:29,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-25 12:08:29,283 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:29,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:29,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1970497685, now seen corresponding path program 25 times [2021-03-25 12:08:29,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:29,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828107758] [2021-03-25 12:08:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:29,289 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:29,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,293 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:29,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:29,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:29,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828107758] [2021-03-25 12:08:29,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466525818] [2021-03-25 12:08:29,312 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:29,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:29,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:29,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:29,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:29,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,366 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:29,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:29,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:29,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:29,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:29,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:29,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:29,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520508659] [2021-03-25 12:08:29,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:29,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:29,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:29,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:29,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:29,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 860 transitions, 21104 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) [2021-03-25 12:08:29,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:29,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:29,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:30,260 INFO L129 PetriNetUnfolder]: 998/2418 cut-off events. [2021-03-25 12:08:30,260 INFO L130 PetriNetUnfolder]: For 83461/83485 co-relation queries the response was YES. [2021-03-25 12:08:30,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27349 conditions, 2418 events. 998/2418 cut-off events. For 83461/83485 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20616 event pairs, 72 based on Foata normal form. 14/2427 useless extension candidates. Maximal degree in co-relation 26866. Up to 1556 conditions per place. [2021-03-25 12:08:30,296 INFO L132 encePairwiseOnDemand]: 35/50 looper letters, 678 selfloop transitions, 233 changer transitions 0/918 dead transitions. [2021-03-25 12:08:30,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 918 transitions, 24340 flow [2021-03-25 12:08:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:08:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:08:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2021-03-25 12:08:30,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42 [2021-03-25 12:08:30,297 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 210 transitions. [2021-03-25 12:08:30,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 210 transitions. [2021-03-25 12:08:30,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:30,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 210 transitions. [2021-03-25 12:08:30,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.0) internal successors, (210), 10 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:30,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 50.0) internal successors, (550), 11 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:30,297 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 50.0) internal successors, (550), 11 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:30,297 INFO L185 Difference]: Start difference. First operand has 346 places, 860 transitions, 21104 flow. Second operand 10 states and 210 transitions. [2021-03-25 12:08:30,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 918 transitions, 24340 flow [2021-03-25 12:08:30,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 918 transitions, 23764 flow, removed 225 selfloop flow, removed 9 redundant places. [2021-03-25 12:08:31,007 INFO L241 Difference]: Finished difference. Result has 349 places, 894 transitions, 21923 flow [2021-03-25 12:08:31,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=20538, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21923, PETRI_PLACES=349, PETRI_TRANSITIONS=894} [2021-03-25 12:08:31,008 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 328 predicate places. [2021-03-25 12:08:31,008 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:31,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 894 transitions, 21923 flow [2021-03-25 12:08:31,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 894 transitions, 21923 flow [2021-03-25 12:08:31,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 349 places, 894 transitions, 21923 flow [2021-03-25 12:08:31,391 INFO L129 PetriNetUnfolder]: 837/2242 cut-off events. [2021-03-25 12:08:31,392 INFO L130 PetriNetUnfolder]: For 71396/71528 co-relation queries the response was YES. [2021-03-25 12:08:31,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23041 conditions, 2242 events. 837/2242 cut-off events. For 71396/71528 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 20222 event pairs, 6 based on Foata normal form. 14/2249 useless extension candidates. Maximal degree in co-relation 22568. Up to 632 conditions per place. [2021-03-25 12:08:31,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 1138 [2021-03-25 12:08:31,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:31,531 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:31,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-25 12:08:31,531 INFO L480 AbstractCegarLoop]: Abstraction has has 349 places, 894 transitions, 21923 flow [2021-03-25 12:08:31,532 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) [2021-03-25 12:08:31,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:31,532 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:31,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:31,732 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:31,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1347260527, now seen corresponding path program 26 times [2021-03-25 12:08:31,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:31,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188925874] [2021-03-25 12:08:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:31,739 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:31,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,744 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:31,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:31,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188925874] [2021-03-25 12:08:31,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884175744] [2021-03-25 12:08:31,761 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:31,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:31,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:31,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:31,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:31,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:31,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:31,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:31,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:31,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:31,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:31,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:31,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:31,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:31,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:31,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:31,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:31,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:31,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:31,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:31,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,818 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:08:31,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:31,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:31,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:31,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:31,821 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:31,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:31,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:31,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:08:31,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352487956] [2021-03-25 12:08:31,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:08:31,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:08:31,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:08:31,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:31,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 894 transitions, 21923 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) [2021-03-25 12:08:31,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:31,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:31,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:32,795 INFO L129 PetriNetUnfolder]: 993/2436 cut-off events. [2021-03-25 12:08:32,795 INFO L130 PetriNetUnfolder]: For 84684/84718 co-relation queries the response was YES. [2021-03-25 12:08:32,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27488 conditions, 2436 events. 993/2436 cut-off events. For 84684/84718 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 20885 event pairs, 48 based on Foata normal form. 29/2460 useless extension candidates. Maximal degree in co-relation 27025. Up to 822 conditions per place. [2021-03-25 12:08:32,827 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 533 selfloop transitions, 394 changer transitions 3/937 dead transitions. [2021-03-25 12:08:32,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 937 transitions, 25146 flow [2021-03-25 12:08:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 12:08:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 12:08:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 424 transitions. [2021-03-25 12:08:32,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4038095238095238 [2021-03-25 12:08:32,829 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 424 transitions. [2021-03-25 12:08:32,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 424 transitions. [2021-03-25 12:08:32,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:32,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 424 transitions. [2021-03-25 12:08:32,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.19047619047619) internal successors, (424), 21 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:32,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 50.0) internal successors, (1100), 22 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:32,830 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 50.0) internal successors, (1100), 22 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:32,830 INFO L185 Difference]: Start difference. First operand has 349 places, 894 transitions, 21923 flow. Second operand 21 states and 424 transitions. [2021-03-25 12:08:32,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 937 transitions, 25146 flow [2021-03-25 12:08:33,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 937 transitions, 24819 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-03-25 12:08:33,442 INFO L241 Difference]: Finished difference. Result has 368 places, 902 transitions, 22886 flow [2021-03-25 12:08:33,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=21494, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=888, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=22886, PETRI_PLACES=368, PETRI_TRANSITIONS=902} [2021-03-25 12:08:33,443 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 347 predicate places. [2021-03-25 12:08:33,443 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:33,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 902 transitions, 22886 flow [2021-03-25 12:08:33,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 902 transitions, 22886 flow [2021-03-25 12:08:33,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 902 transitions, 22886 flow [2021-03-25 12:08:33,826 INFO L129 PetriNetUnfolder]: 822/2169 cut-off events. [2021-03-25 12:08:33,827 INFO L130 PetriNetUnfolder]: For 72943/73075 co-relation queries the response was YES. [2021-03-25 12:08:33,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23434 conditions, 2169 events. 822/2169 cut-off events. For 72943/73075 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 19260 event pairs, 6 based on Foata normal form. 18/2175 useless extension candidates. Maximal degree in co-relation 22952. Up to 608 conditions per place. [2021-03-25 12:08:33,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 1138 [2021-03-25 12:08:33,963 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:33,963 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:33,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-25 12:08:33,963 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 902 transitions, 22886 flow [2021-03-25 12:08:33,963 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) [2021-03-25 12:08:33,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:33,963 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:34,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-25 12:08:34,165 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:34,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:34,165 INFO L82 PathProgramCache]: Analyzing trace with hash 997451123, now seen corresponding path program 27 times [2021-03-25 12:08:34,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:34,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131160907] [2021-03-25 12:08:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:34,173 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:34,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:34,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:34,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131160907] [2021-03-25 12:08:34,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213546287] [2021-03-25 12:08:34,194 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:34,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:08:34,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:34,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:34,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:34,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:34,250 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:34,263 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:34,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:34,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:34,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:34,267 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:34,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:34,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:34,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:34,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152787477] [2021-03-25 12:08:34,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:34,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:34,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:34,276 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:34,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 902 transitions, 22886 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) [2021-03-25 12:08:34,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:34,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:34,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:35,397 INFO L129 PetriNetUnfolder]: 1139/2760 cut-off events. [2021-03-25 12:08:35,397 INFO L130 PetriNetUnfolder]: For 107225/107259 co-relation queries the response was YES. [2021-03-25 12:08:35,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32348 conditions, 2760 events. 1139/2760 cut-off events. For 107225/107259 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 24139 event pairs, 35 based on Foata normal form. 31/2786 useless extension candidates. Maximal degree in co-relation 31822. Up to 813 conditions per place. [2021-03-25 12:08:35,439 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 521 selfloop transitions, 503 changer transitions 2/1033 dead transitions. [2021-03-25 12:08:35,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 1033 transitions, 28312 flow [2021-03-25 12:08:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 12:08:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 12:08:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 412 transitions. [2021-03-25 12:08:35,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.412 [2021-03-25 12:08:35,441 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 412 transitions. [2021-03-25 12:08:35,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 412 transitions. [2021-03-25 12:08:35,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:35,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 412 transitions. [2021-03-25 12:08:35,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 20.6) internal successors, (412), 20 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:35,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 50.0) internal successors, (1050), 21 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:35,442 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 50.0) internal successors, (1050), 21 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:35,442 INFO L185 Difference]: Start difference. First operand has 368 places, 902 transitions, 22886 flow. Second operand 20 states and 412 transitions. [2021-03-25 12:08:35,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 1033 transitions, 28312 flow [2021-03-25 12:08:36,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 1033 transitions, 27800 flow, removed 190 selfloop flow, removed 9 redundant places. [2021-03-25 12:08:36,262 INFO L241 Difference]: Finished difference. Result has 386 places, 970 transitions, 25771 flow [2021-03-25 12:08:36,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=22266, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=898, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=25771, PETRI_PLACES=386, PETRI_TRANSITIONS=970} [2021-03-25 12:08:36,263 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 365 predicate places. [2021-03-25 12:08:36,263 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:36,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 970 transitions, 25771 flow [2021-03-25 12:08:36,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 970 transitions, 25771 flow [2021-03-25 12:08:36,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 386 places, 970 transitions, 25771 flow [2021-03-25 12:08:36,736 INFO L129 PetriNetUnfolder]: 934/2507 cut-off events. [2021-03-25 12:08:36,737 INFO L130 PetriNetUnfolder]: For 95926/96054 co-relation queries the response was YES. [2021-03-25 12:08:36,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28066 conditions, 2507 events. 934/2507 cut-off events. For 95926/96054 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 23256 event pairs, 10 based on Foata normal form. 9/2506 useless extension candidates. Maximal degree in co-relation 27611. Up to 695 conditions per place. [2021-03-25 12:08:36,792 INFO L142 LiptonReduction]: Number of co-enabled transitions 1264 [2021-03-25 12:08:36,891 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:36,891 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:36,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-03-25 12:08:36,892 INFO L480 AbstractCegarLoop]: Abstraction has has 386 places, 970 transitions, 25771 flow [2021-03-25 12:08:36,892 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) [2021-03-25 12:08:36,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:36,892 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:37,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:37,092 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:37,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:37,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1662884003, now seen corresponding path program 28 times [2021-03-25 12:08:37,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:37,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741959601] [2021-03-25 12:08:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:37,102 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:37,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:37,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:37,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741959601] [2021-03-25 12:08:37,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638058023] [2021-03-25 12:08:37,123 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 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 [2021-03-25 12:08:37,139 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:08:37,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:37,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:37,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:37,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:37,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:37,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:37,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:37,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:37,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:37,183 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:37,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:37,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:37,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:37,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:37,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:37,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:37,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:37,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:37,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:37,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320974677] [2021-03-25 12:08:37,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:37,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:37,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:37,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:37,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:37,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 970 transitions, 25771 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) [2021-03-25 12:08:37,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:37,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:37,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:38,255 INFO L129 PetriNetUnfolder]: 1137/2722 cut-off events. [2021-03-25 12:08:38,255 INFO L130 PetriNetUnfolder]: For 120255/120269 co-relation queries the response was YES. [2021-03-25 12:08:38,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33896 conditions, 2722 events. 1137/2722 cut-off events. For 120255/120269 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 23577 event pairs, 76 based on Foata normal form. 12/2729 useless extension candidates. Maximal degree in co-relation 33377. Up to 1363 conditions per place. [2021-03-25 12:08:38,294 INFO L132 encePairwiseOnDemand]: 35/50 looper letters, 584 selfloop transitions, 421 changer transitions 0/1012 dead transitions. [2021-03-25 12:08:38,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 1012 transitions, 28887 flow [2021-03-25 12:08:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:08:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:08:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 215 transitions. [2021-03-25 12:08:38,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43 [2021-03-25 12:08:38,295 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 215 transitions. [2021-03-25 12:08:38,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 215 transitions. [2021-03-25 12:08:38,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:38,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 215 transitions. [2021-03-25 12:08:38,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.5) internal successors, (215), 10 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:38,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 50.0) internal successors, (550), 11 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:38,296 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 50.0) internal successors, (550), 11 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:38,296 INFO L185 Difference]: Start difference. First operand has 386 places, 970 transitions, 25771 flow. Second operand 10 states and 215 transitions. [2021-03-25 12:08:38,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 1012 transitions, 28887 flow [2021-03-25 12:08:39,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 1012 transitions, 27981 flow, removed 345 selfloop flow, removed 9 redundant places. [2021-03-25 12:08:39,156 INFO L241 Difference]: Finished difference. Result has 388 places, 978 transitions, 26037 flow [2021-03-25 12:08:39,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=24888, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=413, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=26037, PETRI_PLACES=388, PETRI_TRANSITIONS=978} [2021-03-25 12:08:39,157 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 367 predicate places. [2021-03-25 12:08:39,157 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:39,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 978 transitions, 26037 flow [2021-03-25 12:08:39,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 978 transitions, 26037 flow [2021-03-25 12:08:39,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 978 transitions, 26037 flow [2021-03-25 12:08:39,695 INFO L129 PetriNetUnfolder]: 935/2489 cut-off events. [2021-03-25 12:08:39,696 INFO L130 PetriNetUnfolder]: For 95109/95251 co-relation queries the response was YES. [2021-03-25 12:08:39,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27838 conditions, 2489 events. 935/2489 cut-off events. For 95109/95251 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 22932 event pairs, 7 based on Foata normal form. 22/2503 useless extension candidates. Maximal degree in co-relation 27517. Up to 617 conditions per place. [2021-03-25 12:08:39,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 1266 [2021-03-25 12:08:39,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:39,863 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:39,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 706 [2021-03-25 12:08:39,863 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 978 transitions, 26037 flow [2021-03-25 12:08:39,863 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) [2021-03-25 12:08:39,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:39,864 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:40,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-25 12:08:40,085 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:40,086 INFO L82 PathProgramCache]: Analyzing trace with hash 252748625, now seen corresponding path program 29 times [2021-03-25 12:08:40,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:40,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60429703] [2021-03-25 12:08:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:40,092 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:40,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:40,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:40,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60429703] [2021-03-25 12:08:40,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636166318] [2021-03-25 12:08:40,119 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 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 [2021-03-25 12:08:40,150 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:40,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:40,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:40,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:40,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:40,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:40,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:40,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:40,212 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:40,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:40,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:40,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:40,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384023732] [2021-03-25 12:08:40,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:40,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:40,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:40,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 12:08:40,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 978 transitions, 26037 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) [2021-03-25 12:08:40,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:40,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 12:08:40,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:41,415 INFO L129 PetriNetUnfolder]: 1136/2761 cut-off events. [2021-03-25 12:08:41,415 INFO L130 PetriNetUnfolder]: For 116235/116269 co-relation queries the response was YES. [2021-03-25 12:08:41,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33562 conditions, 2761 events. 1136/2761 cut-off events. For 116235/116269 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 24168 event pairs, 51 based on Foata normal form. 26/2782 useless extension candidates. Maximal degree in co-relation 33278. Up to 1019 conditions per place. [2021-03-25 12:08:41,457 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 656 selfloop transitions, 344 changer transitions 2/1009 dead transitions. [2021-03-25 12:08:41,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 1009 transitions, 28973 flow [2021-03-25 12:08:41,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:08:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:08:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 325 transitions. [2021-03-25 12:08:41,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-25 12:08:41,458 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 325 transitions. [2021-03-25 12:08:41,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 325 transitions. [2021-03-25 12:08:41,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:41,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 325 transitions. [2021-03-25 12:08:41,459 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) [2021-03-25 12:08:41,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 50.0) internal successors, (850), 17 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:41,460 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 50.0) internal successors, (850), 17 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:41,460 INFO L185 Difference]: Start difference. First operand has 388 places, 978 transitions, 26037 flow. Second operand 16 states and 325 transitions. [2021-03-25 12:08:41,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 1009 transitions, 28973 flow [2021-03-25 12:08:42,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 1009 transitions, 28169 flow, removed 23 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:42,409 INFO L241 Difference]: Finished difference. Result has 397 places, 982 transitions, 26131 flow [2021-03-25 12:08:42,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=25163, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26131, PETRI_PLACES=397, PETRI_TRANSITIONS=982} [2021-03-25 12:08:42,409 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 376 predicate places. [2021-03-25 12:08:42,410 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:42,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 982 transitions, 26131 flow [2021-03-25 12:08:42,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 982 transitions, 26131 flow [2021-03-25 12:08:42,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 982 transitions, 26131 flow [2021-03-25 12:08:42,882 INFO L129 PetriNetUnfolder]: 934/2490 cut-off events. [2021-03-25 12:08:42,883 INFO L130 PetriNetUnfolder]: For 94520/94632 co-relation queries the response was YES. [2021-03-25 12:08:42,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27788 conditions, 2490 events. 934/2490 cut-off events. For 94520/94632 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 23016 event pairs, 9 based on Foata normal form. 10/2493 useless extension candidates. Maximal degree in co-relation 27524. Up to 608 conditions per place. [2021-03-25 12:08:42,937 INFO L142 LiptonReduction]: Number of co-enabled transitions 1268 [2021-03-25 12:08:43,621 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 12:08:43,621 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 12:08:43,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1212 [2021-03-25 12:08:43,621 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 981 transitions, 26175 flow [2021-03-25 12:08:43,622 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) [2021-03-25 12:08:43,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:43,622 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:43,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:43,824 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:43,824 INFO L82 PathProgramCache]: Analyzing trace with hash 24186197, now seen corresponding path program 30 times [2021-03-25 12:08:43,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:43,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598726517] [2021-03-25 12:08:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:43,831 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:43,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,835 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:43,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:43,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:43,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:43,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598726517] [2021-03-25 12:08:43,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209576766] [2021-03-25 12:08:43,853 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:08:43,886 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 12:08:43,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:43,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:43,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:43,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:43,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:43,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:43,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:43,942 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:43,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:43,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:43,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:43,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:43,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:43,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:43,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:43,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:43,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:43,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937131193] [2021-03-25 12:08:43,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:43,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:43,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:43,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:43,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 12:08:43,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 981 transitions, 26175 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) [2021-03-25 12:08:43,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:43,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 12:08:43,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:45,210 INFO L129 PetriNetUnfolder]: 1154/2773 cut-off events. [2021-03-25 12:08:45,210 INFO L130 PetriNetUnfolder]: For 121999/122013 co-relation queries the response was YES. [2021-03-25 12:08:45,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34351 conditions, 2773 events. 1154/2773 cut-off events. For 121999/122013 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 24145 event pairs, 62 based on Foata normal form. 22/2790 useless extension candidates. Maximal degree in co-relation 34079. Up to 1324 conditions per place. [2021-03-25 12:08:45,253 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 586 selfloop transitions, 454 changer transitions 0/1047 dead transitions. [2021-03-25 12:08:45,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 1047 transitions, 30175 flow [2021-03-25 12:08:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:08:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:08:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 289 transitions. [2021-03-25 12:08:45,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3644388398486759 [2021-03-25 12:08:45,254 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 289 transitions. [2021-03-25 12:08:45,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 289 transitions. [2021-03-25 12:08:45,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:45,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 289 transitions. [2021-03-25 12:08:45,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 22.23076923076923) internal successors, (289), 13 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:45,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:45,255 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:45,255 INFO L185 Difference]: Start difference. First operand has 396 places, 981 transitions, 26175 flow. Second operand 13 states and 289 transitions. [2021-03-25 12:08:45,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 1047 transitions, 30175 flow [2021-03-25 12:08:46,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 1047 transitions, 29775 flow, removed 99 selfloop flow, removed 7 redundant places. [2021-03-25 12:08:46,110 INFO L241 Difference]: Finished difference. Result has 404 places, 999 transitions, 27578 flow [2021-03-25 12:08:46,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=25582, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=430, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=27578, PETRI_PLACES=404, PETRI_TRANSITIONS=999} [2021-03-25 12:08:46,111 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 383 predicate places. [2021-03-25 12:08:46,111 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:46,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 999 transitions, 27578 flow [2021-03-25 12:08:46,111 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 999 transitions, 27578 flow [2021-03-25 12:08:46,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 999 transitions, 27578 flow [2021-03-25 12:08:46,634 INFO L129 PetriNetUnfolder]: 951/2536 cut-off events. [2021-03-25 12:08:46,634 INFO L130 PetriNetUnfolder]: For 103858/103992 co-relation queries the response was YES. [2021-03-25 12:08:46,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29248 conditions, 2536 events. 951/2536 cut-off events. For 103858/103992 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 23487 event pairs, 9 based on Foata normal form. 15/2541 useless extension candidates. Maximal degree in co-relation 28983. Up to 630 conditions per place. [2021-03-25 12:08:46,690 INFO L142 LiptonReduction]: Number of co-enabled transitions 1280 [2021-03-25 12:08:46,823 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:46,823 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:46,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 712 [2021-03-25 12:08:46,823 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 999 transitions, 27578 flow [2021-03-25 12:08:46,823 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) [2021-03-25 12:08:46,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:46,823 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:47,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-25 12:08:47,028 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:47,028 INFO L82 PathProgramCache]: Analyzing trace with hash 51891827, now seen corresponding path program 31 times [2021-03-25 12:08:47,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:47,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753688289] [2021-03-25 12:08:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:47,034 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:47,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:47,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753688289] [2021-03-25 12:08:47,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865550324] [2021-03-25 12:08:47,056 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:47,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:47,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:47,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:47,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:47,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:47,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:47,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:47,135 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:47,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:47,143 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:47,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:47,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:47,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:08:47,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427256473] [2021-03-25 12:08:47,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:47,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:47,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:47,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:47,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 12:08:47,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 999 transitions, 27578 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) [2021-03-25 12:08:47,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:47,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 12:08:47,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:48,318 INFO L129 PetriNetUnfolder]: 1157/2776 cut-off events. [2021-03-25 12:08:48,318 INFO L130 PetriNetUnfolder]: For 128344/128378 co-relation queries the response was YES. [2021-03-25 12:08:48,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35311 conditions, 2776 events. 1157/2776 cut-off events. For 128344/128378 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 24170 event pairs, 83 based on Foata normal form. 37/2808 useless extension candidates. Maximal degree in co-relation 35106. Up to 1385 conditions per place. [2021-03-25 12:08:48,363 INFO L132 encePairwiseOnDemand]: 35/61 looper letters, 582 selfloop transitions, 452 changer transitions 0/1041 dead transitions. [2021-03-25 12:08:48,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 1041 transitions, 30931 flow [2021-03-25 12:08:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:08:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:08:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 272 transitions. [2021-03-25 12:08:48,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37158469945355194 [2021-03-25 12:08:48,364 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 272 transitions. [2021-03-25 12:08:48,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 272 transitions. [2021-03-25 12:08:48,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:48,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 272 transitions. [2021-03-25 12:08:48,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 22.666666666666668) internal successors, (272), 12 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:48,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:48,365 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:48,365 INFO L185 Difference]: Start difference. First operand has 404 places, 999 transitions, 27578 flow. Second operand 12 states and 272 transitions. [2021-03-25 12:08:48,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 1041 transitions, 30931 flow [2021-03-25 12:08:49,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 1041 transitions, 30250 flow, removed 65 selfloop flow, removed 11 redundant places. [2021-03-25 12:08:49,352 INFO L241 Difference]: Finished difference. Result has 405 places, 1004 transitions, 28257 flow [2021-03-25 12:08:49,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=26812, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=444, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=28257, PETRI_PLACES=405, PETRI_TRANSITIONS=1004} [2021-03-25 12:08:49,353 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 384 predicate places. [2021-03-25 12:08:49,353 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:49,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 1004 transitions, 28257 flow [2021-03-25 12:08:49,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 1004 transitions, 28257 flow [2021-03-25 12:08:49,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 1004 transitions, 28257 flow [2021-03-25 12:08:49,885 INFO L129 PetriNetUnfolder]: 959/2552 cut-off events. [2021-03-25 12:08:49,886 INFO L130 PetriNetUnfolder]: For 106615/106718 co-relation queries the response was YES. [2021-03-25 12:08:49,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29692 conditions, 2552 events. 959/2552 cut-off events. For 106615/106718 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 23634 event pairs, 9 based on Foata normal form. 14/2558 useless extension candidates. Maximal degree in co-relation 29273. Up to 637 conditions per place. [2021-03-25 12:08:49,938 INFO L142 LiptonReduction]: Number of co-enabled transitions 1290 [2021-03-25 12:08:50,043 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:50,043 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:50,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 691 [2021-03-25 12:08:50,044 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 1004 transitions, 28257 flow [2021-03-25 12:08:50,044 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) [2021-03-25 12:08:50,044 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:50,044 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:50,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-25 12:08:50,248 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:50,248 INFO L82 PathProgramCache]: Analyzing trace with hash 142144469, now seen corresponding path program 32 times [2021-03-25 12:08:50,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:50,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63988109] [2021-03-25 12:08:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:50,254 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:50,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63988109] [2021-03-25 12:08:50,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056910239] [2021-03-25 12:08:50,277 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:08:50,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:50,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:50,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:50,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:50,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:50,347 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:50,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:50,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,350 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:08:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:50,353 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:50,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:50,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:08:50,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140648353] [2021-03-25 12:08:50,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:50,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:50,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:50,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:50,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 12:08:50,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 1004 transitions, 28257 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) [2021-03-25 12:08:50,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:50,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 12:08:50,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:51,766 INFO L129 PetriNetUnfolder]: 1166/2860 cut-off events. [2021-03-25 12:08:51,766 INFO L130 PetriNetUnfolder]: For 132928/132942 co-relation queries the response was YES. [2021-03-25 12:08:51,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36089 conditions, 2860 events. 1166/2860 cut-off events. For 132928/132942 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 25349 event pairs, 40 based on Foata normal form. 13/2868 useless extension candidates. Maximal degree in co-relation 35698. Up to 808 conditions per place. [2021-03-25 12:08:51,896 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 485 selfloop transitions, 572 changer transitions 3/1067 dead transitions. [2021-03-25 12:08:51,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1067 transitions, 32512 flow [2021-03-25 12:08:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-25 12:08:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-25 12:08:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 497 transitions. [2021-03-25 12:08:51,897 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3394808743169399 [2021-03-25 12:08:51,897 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 497 transitions. [2021-03-25 12:08:51,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 497 transitions. [2021-03-25 12:08:51,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:51,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 497 transitions. [2021-03-25 12:08:51,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 20.708333333333332) internal successors, (497), 24 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:51,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:51,900 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:51,900 INFO L185 Difference]: Start difference. First operand has 405 places, 1004 transitions, 28257 flow. Second operand 24 states and 497 transitions. [2021-03-25 12:08:51,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1067 transitions, 32512 flow [2021-03-25 12:08:52,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1067 transitions, 31892 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:52,877 INFO L241 Difference]: Finished difference. Result has 424 places, 1020 transitions, 29834 flow [2021-03-25 12:08:52,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=27551, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=552, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=29834, PETRI_PLACES=424, PETRI_TRANSITIONS=1020} [2021-03-25 12:08:52,879 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 403 predicate places. [2021-03-25 12:08:52,879 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:52,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1020 transitions, 29834 flow [2021-03-25 12:08:52,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1020 transitions, 29834 flow [2021-03-25 12:08:52,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1020 transitions, 29834 flow [2021-03-25 12:08:53,452 INFO L129 PetriNetUnfolder]: 969/2556 cut-off events. [2021-03-25 12:08:53,452 INFO L130 PetriNetUnfolder]: For 118931/119067 co-relation queries the response was YES. [2021-03-25 12:08:53,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31267 conditions, 2556 events. 969/2556 cut-off events. For 118931/119067 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 23571 event pairs, 5 based on Foata normal form. 22/2564 useless extension candidates. Maximal degree in co-relation 30893. Up to 645 conditions per place. [2021-03-25 12:08:53,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 1294 [2021-03-25 12:08:53,642 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:53,642 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:53,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 763 [2021-03-25 12:08:53,642 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1020 transitions, 29834 flow [2021-03-25 12:08:53,642 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) [2021-03-25 12:08:53,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:53,642 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:53,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:53,843 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1001018999, now seen corresponding path program 33 times [2021-03-25 12:08:53,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:53,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704957369] [2021-03-25 12:08:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:53,849 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:53,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:53,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704957369] [2021-03-25 12:08:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341163723] [2021-03-25 12:08:53,871 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:53,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 12:08:53,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:53,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:08:53,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:53,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:53,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:53,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:53,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:53,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:53,939 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:08:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:08:53,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:53,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 12:08:53,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867997342] [2021-03-25 12:08:53,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:08:53,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:53,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:08:53,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:08:53,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 12:08:53,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1020 transitions, 29834 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) [2021-03-25 12:08:53,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:53,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 12:08:53,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:55,262 INFO L129 PetriNetUnfolder]: 1164/2819 cut-off events. [2021-03-25 12:08:55,263 INFO L130 PetriNetUnfolder]: For 143850/143874 co-relation queries the response was YES. [2021-03-25 12:08:55,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37058 conditions, 2819 events. 1164/2819 cut-off events. For 143850/143874 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 24741 event pairs, 65 based on Foata normal form. 20/2834 useless extension candidates. Maximal degree in co-relation 36722. Up to 1334 conditions per place. [2021-03-25 12:08:55,311 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 581 selfloop transitions, 469 changer transitions 0/1057 dead transitions. [2021-03-25 12:08:55,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 1057 transitions, 33044 flow [2021-03-25 12:08:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:08:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:08:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 346 transitions. [2021-03-25 12:08:55,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35450819672131145 [2021-03-25 12:08:55,313 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 346 transitions. [2021-03-25 12:08:55,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 346 transitions. [2021-03-25 12:08:55,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:55,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 346 transitions. [2021-03-25 12:08:55,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.625) internal successors, (346), 16 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) [2021-03-25 12:08:55,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 61.0) internal successors, (1037), 17 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,314 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 61.0) internal successors, (1037), 17 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,314 INFO L185 Difference]: Start difference. First operand has 424 places, 1020 transitions, 29834 flow. Second operand 16 states and 346 transitions. [2021-03-25 12:08:55,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 1057 transitions, 33044 flow [2021-03-25 12:08:56,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 1057 transitions, 32228 flow, removed 102 selfloop flow, removed 16 redundant places. [2021-03-25 12:08:56,324 INFO L241 Difference]: Finished difference. Result has 424 places, 1024 transitions, 30181 flow [2021-03-25 12:08:56,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=28926, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=462, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30181, PETRI_PLACES=424, PETRI_TRANSITIONS=1024} [2021-03-25 12:08:56,325 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 403 predicate places. [2021-03-25 12:08:56,325 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:56,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1024 transitions, 30181 flow [2021-03-25 12:08:56,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1024 transitions, 30181 flow [2021-03-25 12:08:56,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1024 transitions, 30181 flow [2021-03-25 12:08:56,846 INFO L129 PetriNetUnfolder]: 961/2567 cut-off events. [2021-03-25 12:08:56,846 INFO L130 PetriNetUnfolder]: For 115912/116040 co-relation queries the response was YES. [2021-03-25 12:08:56,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30835 conditions, 2567 events. 961/2567 cut-off events. For 115912/116040 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 23806 event pairs, 8 based on Foata normal form. 18/2573 useless extension candidates. Maximal degree in co-relation 30312. Up to 641 conditions per place. [2021-03-25 12:08:56,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-25 12:08:57,023 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:57,023 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:57,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 699 [2021-03-25 12:08:57,024 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1024 transitions, 30181 flow [2021-03-25 12:08:57,024 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) [2021-03-25 12:08:57,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:57,024 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:57,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-25 12:08:57,224 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:57,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:57,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1954974467, now seen corresponding path program 34 times [2021-03-25 12:08:57,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:57,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114659211] [2021-03-25 12:08:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:57,246 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 12:08:57,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:08:57,279 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:08:57,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:08:57,297 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 12:08:57,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 12:08:57,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:08:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:57,347 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:08:57,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,361 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:08:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:57,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114659211] [2021-03-25 12:08:57,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139082978] [2021-03-25 12:08:57,373 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 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 [2021-03-25 12:08:57,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:08:57,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:57,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 12:08:57,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:08:57,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:57,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:57,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,439 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-25 12:08:57,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 12:08:57,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:08:57,469 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 12:08:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:08:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:08:57,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:08:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:08:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:08:57,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:08:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:57,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:08:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:08:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:08:57,542 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,542 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 25 treesize of output 41 [2021-03-25 12:08:57,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,544 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 12:08:57,544 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:08:57,545 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,546 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:08:57,546 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,547 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 12:08:57,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:08:57,552 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 12:08:57,552 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:08:57,553 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,554 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size 40 [2021-03-25 12:08:57,555 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-03-25 12:08:57,556 INFO L147 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size 10 [2021-03-25 12:08:57,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 12:08:57,585 INFO L628 ElimStorePlain]: treesize reduction 30, result has 49.2 percent of original size [2021-03-25 12:08:57,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:08:57,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,590 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 12:08:57,591 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-03-25 12:08:57,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:08:57,591 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:30 [2021-03-25 12:08:57,592 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-03-25 12:08:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:57,611 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 12:08:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:08:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:08:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:08:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,614 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:08:57,615 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:57,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:57,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:57,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:57,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 12:08:57,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110454814] [2021-03-25 12:08:57,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 12:08:57,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:57,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 12:08:57,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-03-25 12:08:57,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 61 [2021-03-25 12:08:57,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1024 transitions, 30181 flow. Second operand has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 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) [2021-03-25 12:08:57,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:57,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 61 [2021-03-25 12:08:57,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:59,162 INFO L129 PetriNetUnfolder]: 1186/2874 cut-off events. [2021-03-25 12:08:59,162 INFO L130 PetriNetUnfolder]: For 146812/146826 co-relation queries the response was YES. [2021-03-25 12:08:59,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38029 conditions, 2874 events. 1186/2874 cut-off events. For 146812/146826 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 25438 event pairs, 91 based on Foata normal form. 14/2883 useless extension candidates. Maximal degree in co-relation 37437. Up to 2262 conditions per place. [2021-03-25 12:08:59,208 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 994 selfloop transitions, 68 changer transitions 1/1069 dead transitions. [2021-03-25 12:08:59,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1069 transitions, 33968 flow [2021-03-25 12:08:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:08:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:08:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 266 transitions. [2021-03-25 12:08:59,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3114754098360656 [2021-03-25 12:08:59,209 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 266 transitions. [2021-03-25 12:08:59,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 266 transitions. [2021-03-25 12:08:59,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:59,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 266 transitions. [2021-03-25 12:08:59,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.0) internal successors, (266), 14 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:59,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:59,210 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:59,210 INFO L185 Difference]: Start difference. First operand has 424 places, 1024 transitions, 30181 flow. Second operand 14 states and 266 transitions. [2021-03-25 12:08:59,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1069 transitions, 33968 flow [2021-03-25 12:09:00,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 1069 transitions, 33071 flow, removed 17 selfloop flow, removed 13 redundant places. [2021-03-25 12:09:00,301 INFO L241 Difference]: Finished difference. Result has 432 places, 1057 transitions, 30934 flow [2021-03-25 12:09:00,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=29328, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30934, PETRI_PLACES=432, PETRI_TRANSITIONS=1057} [2021-03-25 12:09:00,301 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 411 predicate places. [2021-03-25 12:09:00,302 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:00,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 1057 transitions, 30934 flow [2021-03-25 12:09:00,302 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 1057 transitions, 30934 flow [2021-03-25 12:09:00,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 1057 transitions, 30934 flow [2021-03-25 12:09:00,851 INFO L129 PetriNetUnfolder]: 998/2649 cut-off events. [2021-03-25 12:09:00,852 INFO L130 PetriNetUnfolder]: For 119618/119690 co-relation queries the response was YES. [2021-03-25 12:09:00,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31875 conditions, 2649 events. 998/2649 cut-off events. For 119618/119690 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 24696 event pairs, 7 based on Foata normal form. 12/2649 useless extension candidates. Maximal degree in co-relation 31402. Up to 669 conditions per place. [2021-03-25 12:09:00,984 INFO L142 LiptonReduction]: Number of co-enabled transitions 1364 [2021-03-25 12:09:01,320 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:09:01,320 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:09:01,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1018 [2021-03-25 12:09:01,320 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 1057 transitions, 30938 flow [2021-03-25 12:09:01,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 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) [2021-03-25 12:09:01,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:01,321 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:01,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:01,521 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:01,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:01,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1408246110, now seen corresponding path program 4 times [2021-03-25 12:09:01,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:01,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416463008] [2021-03-25 12:09:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:01,543 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-03-25 12:09:01,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,558 INFO L142 QuantifierPusher]: treesize reduction 91, result has 47.1 percent of original size [2021-03-25 12:09:01,559 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 78 [2021-03-25 12:09:01,619 INFO L142 QuantifierPusher]: treesize reduction 12, result has 79.3 percent of original size [2021-03-25 12:09:01,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:09:01,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-25 12:09:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 12:09:01,658 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-03-25 12:09:01,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,673 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-25 12:09:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,684 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:09:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:01,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416463008] [2021-03-25 12:09:01,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108046614] [2021-03-25 12:09:01,694 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 [2021-03-25 12:09:01,712 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:09:01,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:01,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:09:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:01,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:01,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:01,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:01,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,759 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-25 12:09:01,759 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 12:09:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:01,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,779 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 12:09:01,779 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 12:09:01,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:01,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:01,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:01,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:01,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:09:01,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2021-03-25 12:09:01,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,791 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 12:09:01,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 12:09:01,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:01,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:09:01,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:01,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2021-03-25 12:09:01,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:01,814 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-25 12:09:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:01,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:09:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,817 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:09:01,818 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:01,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:01,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:01,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 12:09:01,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474041770] [2021-03-25 12:09:01,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:09:01,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:01,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:09:01,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:09:01,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 12:09:01,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 1057 transitions, 30938 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) [2021-03-25 12:09:01,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:01,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 12:09:01,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:03,875 INFO L129 PetriNetUnfolder]: 1253/3035 cut-off events. [2021-03-25 12:09:03,875 INFO L130 PetriNetUnfolder]: For 155660/155699 co-relation queries the response was YES. [2021-03-25 12:09:03,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40052 conditions, 3035 events. 1253/3035 cut-off events. For 155660/155699 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 27154 event pairs, 87 based on Foata normal form. 38/3069 useless extension candidates. Maximal degree in co-relation 39446. Up to 2319 conditions per place. [2021-03-25 12:09:03,926 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1005 selfloop transitions, 132 changer transitions 1/1144 dead transitions. [2021-03-25 12:09:03,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1144 transitions, 35894 flow [2021-03-25 12:09:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:09:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:09:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 280 transitions. [2021-03-25 12:09:03,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3225806451612903 [2021-03-25 12:09:03,927 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 280 transitions. [2021-03-25 12:09:03,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 280 transitions. [2021-03-25 12:09:03,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:03,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 280 transitions. [2021-03-25 12:09:03,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.0) internal successors, (280), 14 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) [2021-03-25 12:09:03,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:03,928 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:03,928 INFO L185 Difference]: Start difference. First operand has 432 places, 1057 transitions, 30938 flow. Second operand 14 states and 280 transitions. [2021-03-25 12:09:03,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1144 transitions, 35894 flow [2021-03-25 12:09:05,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 1144 transitions, 35608 flow, removed 130 selfloop flow, removed 3 redundant places. [2021-03-25 12:09:05,097 INFO L241 Difference]: Finished difference. Result has 448 places, 1117 transitions, 33018 flow [2021-03-25 12:09:05,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=30652, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=33018, PETRI_PLACES=448, PETRI_TRANSITIONS=1117} [2021-03-25 12:09:05,098 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 427 predicate places. [2021-03-25 12:09:05,098 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:05,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1117 transitions, 33018 flow [2021-03-25 12:09:05,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1117 transitions, 33018 flow [2021-03-25 12:09:05,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 1117 transitions, 33018 flow [2021-03-25 12:09:05,693 INFO L129 PetriNetUnfolder]: 1045/2774 cut-off events. [2021-03-25 12:09:05,693 INFO L130 PetriNetUnfolder]: For 129539/129658 co-relation queries the response was YES. [2021-03-25 12:09:05,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33948 conditions, 2774 events. 1045/2774 cut-off events. For 129539/129658 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 26158 event pairs, 8 based on Foata normal form. 15/2780 useless extension candidates. Maximal degree in co-relation 33323. Up to 667 conditions per place. [2021-03-25 12:09:05,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 1498 [2021-03-25 12:09:05,904 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:05,904 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:05,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-03-25 12:09:05,904 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 1117 transitions, 33018 flow [2021-03-25 12:09:05,905 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) [2021-03-25 12:09:05,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:05,905 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:06,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-25 12:09:06,106 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:06,107 INFO L82 PathProgramCache]: Analyzing trace with hash -921140412, now seen corresponding path program 5 times [2021-03-25 12:09:06,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:06,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946582940] [2021-03-25 12:09:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:06,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,155 INFO L142 QuantifierPusher]: treesize reduction 68, result has 63.2 percent of original size [2021-03-25 12:09:06,156 INFO L147 QuantifierPusher]: treesize reduction 41, result has 65.0 percent of original size 76 [2021-03-25 12:09:06,243 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-03-25 12:09:06,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:09:06,259 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-25 12:09:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:06,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:06,281 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:09:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:06,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946582940] [2021-03-25 12:09:06,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504011331] [2021-03-25 12:09:06,289 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 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 [2021-03-25 12:09:06,307 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 12:09:06,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:06,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:09:06,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,315 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-03-25 12:09:06,316 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-25 12:09:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:09:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:09:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:09:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:06,372 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-25 12:09:06,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:06,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 12:09:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:06,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:06,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:06,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:06,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:06,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:06,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:06,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:06,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:06,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:09:06,425 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 20 treesize of output 12 [2021-03-25 12:09:06,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:06,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:06,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:09:06,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,430 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 12:09:06,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:06,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:06,431 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:09:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:06,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:06,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:06,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:09:06,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419407472] [2021-03-25 12:09:06,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:09:06,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:06,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:09:06,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:09:06,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 12:09:06,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 1117 transitions, 33018 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) [2021-03-25 12:09:06,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:06,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 12:09:06,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:08,049 INFO L129 PetriNetUnfolder]: 1253/3022 cut-off events. [2021-03-25 12:09:08,049 INFO L130 PetriNetUnfolder]: For 160342/160359 co-relation queries the response was YES. [2021-03-25 12:09:08,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40461 conditions, 3022 events. 1253/3022 cut-off events. For 160342/160359 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 26951 event pairs, 98 based on Foata normal form. 18/3036 useless extension candidates. Maximal degree in co-relation 39842. Up to 2377 conditions per place. [2021-03-25 12:09:08,110 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1058 selfloop transitions, 69 changer transitions 1/1134 dead transitions. [2021-03-25 12:09:08,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 1134 transitions, 35692 flow [2021-03-25 12:09:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 12:09:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 12:09:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 202 transitions. [2021-03-25 12:09:08,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3258064516129032 [2021-03-25 12:09:08,111 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 202 transitions. [2021-03-25 12:09:08,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 202 transitions. [2021-03-25 12:09:08,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:08,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 202 transitions. [2021-03-25 12:09:08,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.2) internal successors, (202), 10 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) [2021-03-25 12:09:08,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:08,112 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:08,112 INFO L185 Difference]: Start difference. First operand has 448 places, 1117 transitions, 33018 flow. Second operand 10 states and 202 transitions. [2021-03-25 12:09:08,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 1134 transitions, 35692 flow [2021-03-25 12:09:09,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 1134 transitions, 35491 flow, removed 92 selfloop flow, removed 2 redundant places. [2021-03-25 12:09:09,666 INFO L241 Difference]: Finished difference. Result has 457 places, 1123 transitions, 33126 flow [2021-03-25 12:09:09,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=32827, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=33126, PETRI_PLACES=457, PETRI_TRANSITIONS=1123} [2021-03-25 12:09:09,667 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 436 predicate places. [2021-03-25 12:09:09,667 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:09,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 1123 transitions, 33126 flow [2021-03-25 12:09:09,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 1123 transitions, 33126 flow [2021-03-25 12:09:09,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 1123 transitions, 33126 flow [2021-03-25 12:09:10,293 INFO L129 PetriNetUnfolder]: 1041/2767 cut-off events. [2021-03-25 12:09:10,293 INFO L130 PetriNetUnfolder]: For 129283/129383 co-relation queries the response was YES. [2021-03-25 12:09:10,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33967 conditions, 2767 events. 1041/2767 cut-off events. For 129283/129383 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 26126 event pairs, 8 based on Foata normal form. 11/2766 useless extension candidates. Maximal degree in co-relation 33330. Up to 658 conditions per place. [2021-03-25 12:09:10,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 1510 [2021-03-25 12:09:10,508 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:10,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:10,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-03-25 12:09:10,509 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1123 transitions, 33126 flow [2021-03-25 12:09:10,509 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) [2021-03-25 12:09:10,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:10,509 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:10,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:10,720 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:10,720 INFO L82 PathProgramCache]: Analyzing trace with hash -127646768, now seen corresponding path program 6 times [2021-03-25 12:09:10,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:10,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074197800] [2021-03-25 12:09:10,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:10,739 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-25 12:09:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:10,749 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 12:09:10,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 12:09:10,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 12:09:10,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 12:09:10,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-25 12:09:10,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:09:10,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:10,843 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-25 12:09:10,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:10,854 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:09:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:10,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074197800] [2021-03-25 12:09:10,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942526066] [2021-03-25 12:09:10,877 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:09:10,899 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 12:09:10,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:10,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 12:09:10,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:10,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:10,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:10,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:10,968 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 12:09:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:09:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:10,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:10,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:09:10,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:09:10,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,998 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-25 12:09:10,998 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 12:09:10,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:11,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,021 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 12:09:11,022 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 12:09:11,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:11,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:11,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:11,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:11,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:11,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:11,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:09:11,034 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 20 treesize of output 12 [2021-03-25 12:09:11,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:11,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:11,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:09:11,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,041 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 12:09:11,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:11,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:11,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:09:11,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:11,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:11,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:11,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:11,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:09:11,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389996168] [2021-03-25 12:09:11,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:09:11,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:11,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:09:11,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:09:11,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 12:09:11,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1123 transitions, 33126 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) [2021-03-25 12:09:11,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:11,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 12:09:11,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:12,805 INFO L129 PetriNetUnfolder]: 1287/3092 cut-off events. [2021-03-25 12:09:12,805 INFO L130 PetriNetUnfolder]: For 163903/163941 co-relation queries the response was YES. [2021-03-25 12:09:12,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41378 conditions, 3092 events. 1287/3092 cut-off events. For 163903/163941 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 27673 event pairs, 99 based on Foata normal form. 36/3124 useless extension candidates. Maximal degree in co-relation 40750. Up to 2400 conditions per place. [2021-03-25 12:09:12,859 INFO L132 encePairwiseOnDemand]: 46/62 looper letters, 1056 selfloop transitions, 117 changer transitions 0/1179 dead transitions. [2021-03-25 12:09:12,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1179 transitions, 37007 flow [2021-03-25 12:09:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:09:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:09:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 274 transitions. [2021-03-25 12:09:12,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.315668202764977 [2021-03-25 12:09:12,860 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 274 transitions. [2021-03-25 12:09:12,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 274 transitions. [2021-03-25 12:09:12,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:12,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 274 transitions. [2021-03-25 12:09:12,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.571428571428573) internal successors, (274), 14 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:12,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:12,861 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:12,861 INFO L185 Difference]: Start difference. First operand has 457 places, 1123 transitions, 33126 flow. Second operand 14 states and 274 transitions. [2021-03-25 12:09:12,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1179 transitions, 37007 flow [2021-03-25 12:09:14,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1179 transitions, 36899 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-25 12:09:14,252 INFO L241 Difference]: Finished difference. Result has 468 places, 1159 transitions, 34442 flow [2021-03-25 12:09:14,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=33018, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34442, PETRI_PLACES=468, PETRI_TRANSITIONS=1159} [2021-03-25 12:09:14,253 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 447 predicate places. [2021-03-25 12:09:14,253 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:14,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 1159 transitions, 34442 flow [2021-03-25 12:09:14,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 1159 transitions, 34442 flow [2021-03-25 12:09:14,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1159 transitions, 34442 flow [2021-03-25 12:09:14,967 INFO L129 PetriNetUnfolder]: 1069/2820 cut-off events. [2021-03-25 12:09:14,967 INFO L130 PetriNetUnfolder]: For 134334/134439 co-relation queries the response was YES. [2021-03-25 12:09:15,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34968 conditions, 2820 events. 1069/2820 cut-off events. For 134334/134439 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 26647 event pairs, 8 based on Foata normal form. 11/2818 useless extension candidates. Maximal degree in co-relation 34317. Up to 673 conditions per place. [2021-03-25 12:09:15,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-25 12:09:15,255 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-25 12:09:15,607 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 12:09:15,607 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 12:09:15,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1355 [2021-03-25 12:09:15,608 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1159 transitions, 34514 flow [2021-03-25 12:09:15,608 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) [2021-03-25 12:09:15,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:15,608 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:15,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:15,809 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:15,809 INFO L82 PathProgramCache]: Analyzing trace with hash -955408751, now seen corresponding path program 35 times [2021-03-25 12:09:15,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:15,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305969964] [2021-03-25 12:09:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:15,828 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 12:09:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 12:09:15,863 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:09:15,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:09:15,880 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 12:09:15,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 12:09:15,902 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:09:15,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:09:15,921 INFO L142 QuantifierPusher]: treesize reduction 37, result has 47.1 percent of original size [2021-03-25 12:09:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:15,940 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:09:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:15,954 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:09:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305969964] [2021-03-25 12:09:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924032551] [2021-03-25 12:09:15,965 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) [2021-03-25 12:09:15,987 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:09:15,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:15,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:09:15,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:15,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:15,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:15,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:15,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,017 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 12:09:16,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 12:09:16,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,039 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 12:09:16,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-25 12:09:16,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:16,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:09:16,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:09:16,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:09:16,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:09:16,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:09:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:16,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:09:16,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:16,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:16,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:09:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:16,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,116 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 25 treesize of output 43 [2021-03-25 12:09:16,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 12:09:16,117 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 12:09:16,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:09:16,118 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,119 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 12:09:16,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:09:16,119 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,121 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:09:16,121 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:16,122 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.4 percent of original size [2021-03-25 12:09:16,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:09:16,123 INFO L147 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size 42 [2021-03-25 12:09:16,124 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-03-25 12:09:16,124 INFO L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-03-25 12:09:16,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 12:09:16,145 INFO L628 ElimStorePlain]: treesize reduction 34, result has 34.6 percent of original size [2021-03-25 12:09:16,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:16,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:16,146 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:18 [2021-03-25 12:09:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:16,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:16,172 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 12:09:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:16,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:16,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:09:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:16,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,176 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:09:16,177 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:16,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,179 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 12:09:16,179 INFO L147 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size 7 [2021-03-25 12:09:16,180 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-03-25 12:09:16,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:16,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:16,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:16,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 12:09:16,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964672432] [2021-03-25 12:09:16,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 12:09:16,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:16,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 12:09:16,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 12:09:16,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 12:09:16,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1159 transitions, 34514 flow. Second operand has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:09:16,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:16,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 12:09:16,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:18,641 INFO L129 PetriNetUnfolder]: 1358/3283 cut-off events. [2021-03-25 12:09:18,642 INFO L130 PetriNetUnfolder]: For 181542/181561 co-relation queries the response was YES. [2021-03-25 12:09:18,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44953 conditions, 3283 events. 1358/3283 cut-off events. For 181542/181561 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 29845 event pairs, 82 based on Foata normal form. 21/3300 useless extension candidates. Maximal degree in co-relation 44314. Up to 2395 conditions per place. [2021-03-25 12:09:18,701 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 1024 selfloop transitions, 241 changer transitions 3/1274 dead transitions. [2021-03-25 12:09:18,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 1274 transitions, 41289 flow [2021-03-25 12:09:18,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 12:09:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 12:09:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 387 transitions. [2021-03-25 12:09:18,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2976923076923077 [2021-03-25 12:09:18,702 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 387 transitions. [2021-03-25 12:09:18,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 387 transitions. [2021-03-25 12:09:18,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:18,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 387 transitions. [2021-03-25 12:09:18,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 19.35) internal successors, (387), 20 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:18,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 65.0) internal successors, (1365), 21 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:18,704 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 65.0) internal successors, (1365), 21 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:18,704 INFO L185 Difference]: Start difference. First operand has 468 places, 1159 transitions, 34514 flow. Second operand 20 states and 387 transitions. [2021-03-25 12:09:18,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 1274 transitions, 41289 flow [2021-03-25 12:09:20,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 1274 transitions, 40964 flow, removed 99 selfloop flow, removed 6 redundant places. [2021-03-25 12:09:20,302 INFO L241 Difference]: Finished difference. Result has 488 places, 1236 transitions, 37966 flow [2021-03-25 12:09:20,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=34190, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=37966, PETRI_PLACES=488, PETRI_TRANSITIONS=1236} [2021-03-25 12:09:20,303 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 467 predicate places. [2021-03-25 12:09:20,303 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:20,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 1236 transitions, 37966 flow [2021-03-25 12:09:20,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 1236 transitions, 37966 flow [2021-03-25 12:09:20,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 1236 transitions, 37966 flow [2021-03-25 12:09:21,117 INFO L129 PetriNetUnfolder]: 1157/3047 cut-off events. [2021-03-25 12:09:21,117 INFO L130 PetriNetUnfolder]: For 163151/163249 co-relation queries the response was YES. [2021-03-25 12:09:21,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39404 conditions, 3047 events. 1157/3047 cut-off events. For 163151/163249 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 29200 event pairs, 9 based on Foata normal form. 14/3049 useless extension candidates. Maximal degree in co-relation 38719. Up to 717 conditions per place. [2021-03-25 12:09:21,192 INFO L142 LiptonReduction]: Number of co-enabled transitions 1722 [2021-03-25 12:09:21,383 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:21,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:21,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1081 [2021-03-25 12:09:21,384 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 1236 transitions, 37966 flow [2021-03-25 12:09:21,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:09:21,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:21,384 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:21,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-25 12:09:21,588 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:21,588 INFO L82 PathProgramCache]: Analyzing trace with hash 874373517, now seen corresponding path program 36 times [2021-03-25 12:09:21,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:21,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118249581] [2021-03-25 12:09:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:21,621 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 12:09:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 12:09:21,652 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:09:21,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:09:21,666 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 12:09:21,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 12:09:21,684 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:09:21,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:09:21,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:09:21,727 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:09:21,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:21,741 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:09:21,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:21,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118249581] [2021-03-25 12:09:21,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422114024] [2021-03-25 12:09:21,750 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 [2021-03-25 12:09:21,767 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 12:09:21,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:21,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 12:09:21,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:21,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:21,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:21,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:21,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:21,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,813 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 12:09:21,813 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 12:09:21,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:09:21,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:21,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:21,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:09:21,866 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-25 12:09:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:21,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:09:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:21,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,893 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 12:09:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:21,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:21,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:09:21,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:21,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:21,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:21,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:09:21,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:09:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:21,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:09:21,906 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 [2021-03-25 12:09:21,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:21,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:21,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:09:21,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:21,915 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 12:09:21,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:21,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:21,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:21,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 12:09:21,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103436623] [2021-03-25 12:09:21,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 12:09:21,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:21,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 12:09:21,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-03-25 12:09:21,944 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 12:09:21,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1236 transitions, 37966 flow. Second operand has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:09:21,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:21,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 12:09:21,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:24,059 INFO L129 PetriNetUnfolder]: 1358/3286 cut-off events. [2021-03-25 12:09:24,059 INFO L130 PetriNetUnfolder]: For 193752/193796 co-relation queries the response was YES. [2021-03-25 12:09:24,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45990 conditions, 3286 events. 1358/3286 cut-off events. For 193752/193796 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 29928 event pairs, 96 based on Foata normal form. 43/3325 useless extension candidates. Maximal degree in co-relation 45494. Up to 2550 conditions per place. [2021-03-25 12:09:24,122 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 1135 selfloop transitions, 112 changer transitions 1/1254 dead transitions. [2021-03-25 12:09:24,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 1254 transitions, 41059 flow [2021-03-25 12:09:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 12:09:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 12:09:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 292 transitions. [2021-03-25 12:09:24,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2994871794871795 [2021-03-25 12:09:24,123 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 292 transitions. [2021-03-25 12:09:24,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 292 transitions. [2021-03-25 12:09:24,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:24,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 292 transitions. [2021-03-25 12:09:24,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 19.466666666666665) internal successors, (292), 15 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) [2021-03-25 12:09:24,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 65.0) internal successors, (1040), 16 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:24,125 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 65.0) internal successors, (1040), 16 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:24,125 INFO L185 Difference]: Start difference. First operand has 488 places, 1236 transitions, 37966 flow. Second operand 15 states and 292 transitions. [2021-03-25 12:09:24,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 1254 transitions, 41059 flow [2021-03-25 12:09:25,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 1254 transitions, 40365 flow, removed 315 selfloop flow, removed 6 redundant places. [2021-03-25 12:09:25,786 INFO L241 Difference]: Finished difference. Result has 497 places, 1239 transitions, 37629 flow [2021-03-25 12:09:25,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=37300, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=37629, PETRI_PLACES=497, PETRI_TRANSITIONS=1239} [2021-03-25 12:09:25,787 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 476 predicate places. [2021-03-25 12:09:25,787 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:25,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 1239 transitions, 37629 flow [2021-03-25 12:09:25,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 1239 transitions, 37629 flow [2021-03-25 12:09:25,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 1239 transitions, 37629 flow [2021-03-25 12:09:26,553 INFO L129 PetriNetUnfolder]: 1158/3046 cut-off events. [2021-03-25 12:09:26,553 INFO L130 PetriNetUnfolder]: For 155826/155924 co-relation queries the response was YES. [2021-03-25 12:09:26,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38863 conditions, 3046 events. 1158/3046 cut-off events. For 155826/155924 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 29177 event pairs, 10 based on Foata normal form. 16/3049 useless extension candidates. Maximal degree in co-relation 38377. Up to 678 conditions per place. [2021-03-25 12:09:26,629 INFO L142 LiptonReduction]: Number of co-enabled transitions 1730 [2021-03-25 12:09:26,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:26,814 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:26,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1027 [2021-03-25 12:09:26,814 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 1239 transitions, 37629 flow [2021-03-25 12:09:26,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:09:26,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:26,814 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:27,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-03-25 12:09:27,015 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:27,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:27,015 INFO L82 PathProgramCache]: Analyzing trace with hash -759213824, now seen corresponding path program 1 times [2021-03-25 12:09:27,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:27,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185269296] [2021-03-25 12:09:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:27,026 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:09:27,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:27,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:27,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185269296] [2021-03-25 12:09:27,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108797418] [2021-03-25 12:09:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-25 12:09:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:27,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:09:27,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:27,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:27,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:27,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:27,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:27,136 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:09:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,145 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:09:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:09:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:27,148 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:09:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:27,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:27,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 12:09:27,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567223322] [2021-03-25 12:09:27,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:09:27,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:27,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:09:27,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:09:27,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 65 [2021-03-25 12:09:27,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1239 transitions, 37629 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) [2021-03-25 12:09:27,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:27,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 65 [2021-03-25 12:09:27,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:28,960 INFO L129 PetriNetUnfolder]: 1451/3540 cut-off events. [2021-03-25 12:09:28,960 INFO L130 PetriNetUnfolder]: For 200156/200196 co-relation queries the response was YES. [2021-03-25 12:09:29,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48531 conditions, 3540 events. 1451/3540 cut-off events. For 200156/200196 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 32832 event pairs, 54 based on Foata normal form. 40/3576 useless extension candidates. Maximal degree in co-relation 48029. Up to 1251 conditions per place. [2021-03-25 12:09:29,028 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 876 selfloop transitions, 533 changer transitions 6/1423 dead transitions. [2021-03-25 12:09:29,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1423 transitions, 46688 flow [2021-03-25 12:09:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-25 12:09:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-25 12:09:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 616 transitions. [2021-03-25 12:09:29,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3057071960297767 [2021-03-25 12:09:29,029 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 616 transitions. [2021-03-25 12:09:29,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 616 transitions. [2021-03-25 12:09:29,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:29,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 616 transitions. [2021-03-25 12:09:29,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 19.870967741935484) internal successors, (616), 31 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:29,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 65.0) internal successors, (2080), 32 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:29,032 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 65.0) internal successors, (2080), 32 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:29,032 INFO L185 Difference]: Start difference. First operand has 497 places, 1239 transitions, 37629 flow. Second operand 31 states and 616 transitions. [2021-03-25 12:09:29,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 1423 transitions, 46688 flow [2021-03-25 12:09:30,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 1423 transitions, 46480 flow, removed 32 selfloop flow, removed 9 redundant places. [2021-03-25 12:09:30,887 INFO L241 Difference]: Finished difference. Result has 526 places, 1381 transitions, 44179 flow [2021-03-25 12:09:30,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=37406, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=396, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=44179, PETRI_PLACES=526, PETRI_TRANSITIONS=1381} [2021-03-25 12:09:30,888 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 505 predicate places. [2021-03-25 12:09:30,888 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:30,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 1381 transitions, 44179 flow [2021-03-25 12:09:30,888 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 1381 transitions, 44179 flow [2021-03-25 12:09:30,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 525 places, 1381 transitions, 44179 flow [2021-03-25 12:09:31,775 INFO L129 PetriNetUnfolder]: 1293/3363 cut-off events. [2021-03-25 12:09:31,775 INFO L130 PetriNetUnfolder]: For 200830/200897 co-relation queries the response was YES. [2021-03-25 12:09:31,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44768 conditions, 3363 events. 1293/3363 cut-off events. For 200830/200897 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 32568 event pairs, 4 based on Foata normal form. 15/3366 useless extension candidates. Maximal degree in co-relation 44265. Up to 736 conditions per place. [2021-03-25 12:09:31,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 1978 [2021-03-25 12:09:32,062 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:32,062 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:32,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1174 [2021-03-25 12:09:32,063 INFO L480 AbstractCegarLoop]: Abstraction has has 525 places, 1381 transitions, 44179 flow [2021-03-25 12:09:32,063 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) [2021-03-25 12:09:32,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:32,063 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:32,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-25 12:09:32,263 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash -18513464, now seen corresponding path program 2 times [2021-03-25 12:09:32,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:32,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207089461] [2021-03-25 12:09:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:32,270 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:09:32,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:32,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,279 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:32,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207089461] [2021-03-25 12:09:32,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875585017] [2021-03-25 12:09:32,299 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:09:32,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:09:32,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:32,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:09:32,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:32,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:32,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:32,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:32,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:32,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:32,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:32,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:32,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:32,373 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:09:32,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:32,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:32,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:32,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:32,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:32,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:32,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:09:32,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:09:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:32,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:32,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:32,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:09:32,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:32,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:32,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 12:09:32,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346871373] [2021-03-25 12:09:32,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:09:32,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:32,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:09:32,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:09:32,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 65 [2021-03-25 12:09:32,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 1381 transitions, 44179 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) [2021-03-25 12:09:32,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:32,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 65 [2021-03-25 12:09:32,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:34,581 INFO L129 PetriNetUnfolder]: 1452/3513 cut-off events. [2021-03-25 12:09:34,581 INFO L130 PetriNetUnfolder]: For 222678/222783 co-relation queries the response was YES. [2021-03-25 12:09:34,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50408 conditions, 3513 events. 1452/3513 cut-off events. For 222678/222783 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 32273 event pairs, 53 based on Foata normal form. 46/3555 useless extension candidates. Maximal degree in co-relation 49893. Up to 2258 conditions per place. [2021-03-25 12:09:34,645 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 1030 selfloop transitions, 384 changer transitions 0/1422 dead transitions. [2021-03-25 12:09:34,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 1422 transitions, 48436 flow [2021-03-25 12:09:34,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 12:09:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 12:09:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 413 transitions. [2021-03-25 12:09:34,646 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.334412955465587 [2021-03-25 12:09:34,646 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 413 transitions. [2021-03-25 12:09:34,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 413 transitions. [2021-03-25 12:09:34,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:34,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 413 transitions. [2021-03-25 12:09:34,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 21.736842105263158) internal successors, (413), 19 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:34,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 65.0) internal successors, (1300), 20 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:34,648 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 65.0) internal successors, (1300), 20 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:34,648 INFO L185 Difference]: Start difference. First operand has 525 places, 1381 transitions, 44179 flow. Second operand 19 states and 413 transitions. [2021-03-25 12:09:34,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 1422 transitions, 48436 flow [2021-03-25 12:09:36,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 1422 transitions, 47515 flow, removed 432 selfloop flow, removed 5 redundant places. [2021-03-25 12:09:36,670 INFO L241 Difference]: Finished difference. Result has 540 places, 1391 transitions, 44624 flow [2021-03-25 12:09:36,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=43300, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=44624, PETRI_PLACES=540, PETRI_TRANSITIONS=1391} [2021-03-25 12:09:36,671 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 519 predicate places. [2021-03-25 12:09:36,671 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:36,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 1391 transitions, 44624 flow [2021-03-25 12:09:36,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 1391 transitions, 44624 flow [2021-03-25 12:09:36,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 1391 transitions, 44624 flow [2021-03-25 12:09:37,565 INFO L129 PetriNetUnfolder]: 1294/3389 cut-off events. [2021-03-25 12:09:37,565 INFO L130 PetriNetUnfolder]: For 195735/195839 co-relation queries the response was YES. [2021-03-25 12:09:37,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44541 conditions, 3389 events. 1294/3389 cut-off events. For 195735/195839 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 32862 event pairs, 6 based on Foata normal form. 18/3402 useless extension candidates. Maximal degree in co-relation 44031. Up to 720 conditions per place. [2021-03-25 12:09:37,649 INFO L142 LiptonReduction]: Number of co-enabled transitions 1994 [2021-03-25 12:09:37,884 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:37,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:37,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1214 [2021-03-25 12:09:37,885 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 1391 transitions, 44624 flow [2021-03-25 12:09:37,885 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) [2021-03-25 12:09:37,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:37,885 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:38,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-25 12:09:38,086 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:38,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1598232972, now seen corresponding path program 1 times [2021-03-25 12:09:38,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:38,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404476961] [2021-03-25 12:09:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:38,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:09:38,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:38,110 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:38,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:38,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:38,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:38,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404476961] [2021-03-25 12:09:38,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836858582] [2021-03-25 12:09:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-25 12:09:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:38,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:09:38,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:38,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:38,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:38,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,219 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:09:38,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:38,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:38,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:38,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:38,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:38,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:38,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:09:38,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403406806] [2021-03-25 12:09:38,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:09:38,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:38,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:09:38,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:09:38,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 12:09:38,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 1391 transitions, 44624 flow. Second operand has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 13 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:38,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:38,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 12:09:38,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:40,987 INFO L129 PetriNetUnfolder]: 2086/5090 cut-off events. [2021-03-25 12:09:40,987 INFO L130 PetriNetUnfolder]: For 324999/325037 co-relation queries the response was YES. [2021-03-25 12:09:41,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70787 conditions, 5090 events. 2086/5090 cut-off events. For 324999/325037 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 49505 event pairs, 25 based on Foata normal form. 43/5129 useless extension candidates. Maximal degree in co-relation 70005. Up to 1287 conditions per place. [2021-03-25 12:09:41,094 INFO L132 encePairwiseOnDemand]: 49/65 looper letters, 1357 selfloop transitions, 637 changer transitions 4/2006 dead transitions. [2021-03-25 12:09:41,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 2006 transitions, 64591 flow [2021-03-25 12:09:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-25 12:09:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-25 12:09:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 553 transitions. [2021-03-25 12:09:41,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3403076923076923 [2021-03-25 12:09:41,095 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 553 transitions. [2021-03-25 12:09:41,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 553 transitions. [2021-03-25 12:09:41,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:41,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 553 transitions. [2021-03-25 12:09:41,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 22.12) internal successors, (553), 25 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:41,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 65.0) internal successors, (1690), 26 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:41,097 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 65.0) internal successors, (1690), 26 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:41,097 INFO L185 Difference]: Start difference. First operand has 540 places, 1391 transitions, 44624 flow. Second operand 25 states and 553 transitions. [2021-03-25 12:09:41,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 2006 transitions, 64591 flow [2021-03-25 12:09:44,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 2006 transitions, 63804 flow, removed 75 selfloop flow, removed 15 redundant places. [2021-03-25 12:09:44,206 INFO L241 Difference]: Finished difference. Result has 556 places, 1630 transitions, 51393 flow [2021-03-25 12:09:44,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=43777, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=422, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=902, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=51393, PETRI_PLACES=556, PETRI_TRANSITIONS=1630} [2021-03-25 12:09:44,207 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 535 predicate places. [2021-03-25 12:09:44,207 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:44,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 1630 transitions, 51393 flow [2021-03-25 12:09:44,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 1630 transitions, 51393 flow [2021-03-25 12:09:44,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 555 places, 1630 transitions, 51393 flow [2021-03-25 12:09:45,838 INFO L129 PetriNetUnfolder]: 1726/4641 cut-off events. [2021-03-25 12:09:45,838 INFO L130 PetriNetUnfolder]: For 285727/286005 co-relation queries the response was YES. [2021-03-25 12:09:45,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61217 conditions, 4641 events. 1726/4641 cut-off events. For 285727/286005 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 48080 event pairs, 9 based on Foata normal form. 29/4644 useless extension candidates. Maximal degree in co-relation 60758. Up to 1127 conditions per place. [2021-03-25 12:09:46,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 2270 [2021-03-25 12:09:46,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:46,309 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:46,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2103 [2021-03-25 12:09:46,310 INFO L480 AbstractCegarLoop]: Abstraction has has 555 places, 1630 transitions, 51393 flow [2021-03-25 12:09:46,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 13 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:46,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:46,310 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:46,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:46,510 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:46,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1763845548, now seen corresponding path program 2 times [2021-03-25 12:09:46,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:46,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207757881] [2021-03-25 12:09:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:46,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:09:46,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:46,523 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:46,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,528 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:09:46,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:46,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:46,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:46,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:46,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207757881] [2021-03-25 12:09:46,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861598849] [2021-03-25 12:09:46,549 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 [2021-03-25 12:09:46,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:09:46,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:46,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:09:46,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:46,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:46,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:46,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:46,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:46,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:46,628 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:09:46,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:46,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:46,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:46,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:46,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:46,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:09:46,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429006054] [2021-03-25 12:09:46,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:09:46,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:46,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:09:46,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:09:46,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 12:09:46,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 1630 transitions, 51393 flow. Second operand has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 13 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:46,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:46,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 12:09:46,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:50,092 INFO L129 PetriNetUnfolder]: 2181/5268 cut-off events. [2021-03-25 12:09:50,092 INFO L130 PetriNetUnfolder]: For 345781/345823 co-relation queries the response was YES. [2021-03-25 12:09:50,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74433 conditions, 5268 events. 2181/5268 cut-off events. For 345781/345823 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 51013 event pairs, 137 based on Foata normal form. 63/5327 useless extension candidates. Maximal degree in co-relation 73836. Up to 2040 conditions per place. [2021-03-25 12:09:50,192 INFO L132 encePairwiseOnDemand]: 50/65 looper letters, 1366 selfloop transitions, 566 changer transitions 2/1942 dead transitions. [2021-03-25 12:09:50,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 1942 transitions, 63908 flow [2021-03-25 12:09:50,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 12:09:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 12:09:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 414 transitions. [2021-03-25 12:09:50,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35384615384615387 [2021-03-25 12:09:50,193 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 414 transitions. [2021-03-25 12:09:50,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 414 transitions. [2021-03-25 12:09:50,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:50,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 414 transitions. [2021-03-25 12:09:50,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.0) internal successors, (414), 18 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) [2021-03-25 12:09:50,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 65.0) internal successors, (1235), 19 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:50,194 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 65.0) internal successors, (1235), 19 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:50,194 INFO L185 Difference]: Start difference. First operand has 555 places, 1630 transitions, 51393 flow. Second operand 18 states and 414 transitions. [2021-03-25 12:09:50,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 1942 transitions, 63908 flow [2021-03-25 12:09:53,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 1942 transitions, 62037 flow, removed 652 selfloop flow, removed 11 redundant places. [2021-03-25 12:09:53,541 INFO L241 Difference]: Finished difference. Result has 566 places, 1693 transitions, 52425 flow [2021-03-25 12:09:53,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=49659, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=499, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=52425, PETRI_PLACES=566, PETRI_TRANSITIONS=1693} [2021-03-25 12:09:53,542 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 545 predicate places. [2021-03-25 12:09:53,542 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:53,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 1693 transitions, 52425 flow [2021-03-25 12:09:53,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 1693 transitions, 52425 flow [2021-03-25 12:09:53,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 1693 transitions, 52425 flow [2021-03-25 12:09:55,264 INFO L129 PetriNetUnfolder]: 1801/4756 cut-off events. [2021-03-25 12:09:55,264 INFO L130 PetriNetUnfolder]: For 279643/280021 co-relation queries the response was YES. [2021-03-25 12:09:55,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61976 conditions, 4756 events. 1801/4756 cut-off events. For 279643/280021 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 48737 event pairs, 10 based on Foata normal form. 44/4781 useless extension candidates. Maximal degree in co-relation 61406. Up to 1224 conditions per place. [2021-03-25 12:09:55,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-25 12:09:55,701 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:55,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:55,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2160 [2021-03-25 12:09:55,702 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 1693 transitions, 52425 flow [2021-03-25 12:09:55,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 13 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:55,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:55,702 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:55,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:55,903 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:55,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1558309268, now seen corresponding path program 7 times [2021-03-25 12:09:55,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:55,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147421416] [2021-03-25 12:09:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:55,918 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-03-25 12:09:55,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:55,934 INFO L142 QuantifierPusher]: treesize reduction 86, result has 47.6 percent of original size [2021-03-25 12:09:55,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 12:09:56,138 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2021-03-25 12:09:56,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size [2021-03-25 12:09:56,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 12:09:56,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 12:09:56,198 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-03-25 12:09:56,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:56,210 INFO L142 QuantifierPusher]: treesize reduction 19, result has 50.0 percent of original size [2021-03-25 12:09:56,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:09:56,221 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 12:09:56,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:56,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147421416] [2021-03-25 12:09:56,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311850307] [2021-03-25 12:09:56,231 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 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 [2021-03-25 12:09:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:56,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 12:09:56,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:09:56,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,276 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 12:09:56,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-25 12:09:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:09:56,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:56,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:56,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:56,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:09:56,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:09:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,329 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size 36 [2021-03-25 12:09:56,330 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-25 12:09:56,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:56,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:56,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:56,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:09:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:09:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:09:56,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,346 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 20 treesize of output 20 [2021-03-25 12:09:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,347 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 12:09:56,347 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 12:09:56,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:56,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:09:56,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,357 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:09:56,358 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,360 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 12:09:56,360 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 12:09:56,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:09:56,360 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-03-25 12:09:56,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 12:09:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:09:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:09:56,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 12:09:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:56,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:09:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:09:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,385 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:09:56,385 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:56,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 12:09:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:09:56,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:56,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:56,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:09:56,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304368390] [2021-03-25 12:09:56,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:09:56,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:56,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:09:56,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:09:56,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 12:09:56,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1693 transitions, 52425 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) [2021-03-25 12:09:56,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:56,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 12:09:56,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:00,498 INFO L129 PetriNetUnfolder]: 2189/5241 cut-off events. [2021-03-25 12:10:00,498 INFO L130 PetriNetUnfolder]: For 324229/324271 co-relation queries the response was YES. [2021-03-25 12:10:00,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73280 conditions, 5241 events. 2189/5241 cut-off events. For 324229/324271 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 50403 event pairs, 171 based on Foata normal form. 43/5281 useless extension candidates. Maximal degree in co-relation 72691. Up to 4114 conditions per place. [2021-03-25 12:10:00,599 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 1554 selfloop transitions, 171 changer transitions 1/1732 dead transitions. [2021-03-25 12:10:00,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 1732 transitions, 56971 flow [2021-03-25 12:10:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 12:10:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 12:10:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 300 transitions. [2021-03-25 12:10:00,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3076923076923077 [2021-03-25 12:10:00,600 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 300 transitions. [2021-03-25 12:10:00,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 300 transitions. [2021-03-25 12:10:00,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:00,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 300 transitions. [2021-03-25 12:10:00,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.0) internal successors, (300), 15 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:00,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 65.0) internal successors, (1040), 16 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:00,602 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 65.0) internal successors, (1040), 16 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:00,602 INFO L185 Difference]: Start difference. First operand has 566 places, 1693 transitions, 52425 flow. Second operand 15 states and 300 transitions. [2021-03-25 12:10:00,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 1732 transitions, 56971 flow [2021-03-25 12:10:03,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 1732 transitions, 56248 flow, removed 56 selfloop flow, removed 8 redundant places. [2021-03-25 12:10:03,690 INFO L241 Difference]: Finished difference. Result has 575 places, 1703 transitions, 52396 flow [2021-03-25 12:10:03,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=51711, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=52396, PETRI_PLACES=575, PETRI_TRANSITIONS=1703} [2021-03-25 12:10:03,691 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 554 predicate places. [2021-03-25 12:10:03,691 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:03,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 575 places, 1703 transitions, 52396 flow [2021-03-25 12:10:03,692 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 575 places, 1703 transitions, 52396 flow [2021-03-25 12:10:03,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 575 places, 1703 transitions, 52396 flow [2021-03-25 12:10:05,338 INFO L129 PetriNetUnfolder]: 1807/4775 cut-off events. [2021-03-25 12:10:05,338 INFO L130 PetriNetUnfolder]: For 281638/282010 co-relation queries the response was YES. [2021-03-25 12:10:05,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62004 conditions, 4775 events. 1807/4775 cut-off events. For 281638/282010 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 49006 event pairs, 10 based on Foata normal form. 40/4796 useless extension candidates. Maximal degree in co-relation 61429. Up to 1225 conditions per place. [2021-03-25 12:10:05,640 INFO L142 LiptonReduction]: Number of co-enabled transitions 2286 [2021-03-25 12:10:05,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:10:05,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:10:05,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2281 [2021-03-25 12:10:05,972 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 1703 transitions, 52396 flow [2021-03-25 12:10:05,972 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) [2021-03-25 12:10:05,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:05,972 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:06,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:06,172 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:06,173 INFO L82 PathProgramCache]: Analyzing trace with hash 811270014, now seen corresponding path program 1 times [2021-03-25 12:10:06,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:06,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371318479] [2021-03-25 12:10:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:06,180 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:10:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:10:06,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371318479] [2021-03-25 12:10:06,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092610196] [2021-03-25 12:10:06,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:10:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:06,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:10:06,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:10:06,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:06,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:10:06,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:10:06,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:06,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:06,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:10:06,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:10:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:10:06,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:06,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:06,267 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:10:06,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:10:06,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:06,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 12:10:06,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420959339] [2021-03-25 12:10:06,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:10:06,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:06,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:10:06,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:10:06,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 12:10:06,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 1703 transitions, 52396 flow. Second operand has 8 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) [2021-03-25 12:10:06,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:06,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 12:10:06,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:10,057 INFO L129 PetriNetUnfolder]: 2575/5830 cut-off events. [2021-03-25 12:10:10,057 INFO L130 PetriNetUnfolder]: For 355238/355280 co-relation queries the response was YES. [2021-03-25 12:10:10,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80509 conditions, 5830 events. 2575/5830 cut-off events. For 355238/355280 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 54906 event pairs, 146 based on Foata normal form. 105/5932 useless extension candidates. Maximal degree in co-relation 79918. Up to 2852 conditions per place. [2021-03-25 12:10:10,296 INFO L132 encePairwiseOnDemand]: 55/65 looper letters, 1406 selfloop transitions, 645 changer transitions 0/2059 dead transitions. [2021-03-25 12:10:10,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 2059 transitions, 64673 flow [2021-03-25 12:10:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:10:10,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:10:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 177 transitions. [2021-03-25 12:10:10,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.389010989010989 [2021-03-25 12:10:10,297 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 177 transitions. [2021-03-25 12:10:10,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 177 transitions. [2021-03-25 12:10:10,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:10,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 177 transitions. [2021-03-25 12:10:10,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 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) [2021-03-25 12:10:10,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 65.0) internal successors, (520), 8 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) [2021-03-25 12:10:10,298 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 65.0) internal successors, (520), 8 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) [2021-03-25 12:10:10,298 INFO L185 Difference]: Start difference. First operand has 575 places, 1703 transitions, 52396 flow. Second operand 7 states and 177 transitions. [2021-03-25 12:10:10,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 2059 transitions, 64673 flow [2021-03-25 12:10:13,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 2059 transitions, 64341 flow, removed 60 selfloop flow, removed 7 redundant places. [2021-03-25 12:10:13,662 INFO L241 Difference]: Finished difference. Result has 576 places, 1913 transitions, 57818 flow [2021-03-25 12:10:13,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=52064, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=435, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=57818, PETRI_PLACES=576, PETRI_TRANSITIONS=1913} [2021-03-25 12:10:13,663 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 555 predicate places. [2021-03-25 12:10:13,663 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:13,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 576 places, 1913 transitions, 57818 flow [2021-03-25 12:10:13,663 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 576 places, 1913 transitions, 57818 flow [2021-03-25 12:10:13,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 576 places, 1913 transitions, 57818 flow [2021-03-25 12:10:15,441 INFO L129 PetriNetUnfolder]: 2073/5186 cut-off events. [2021-03-25 12:10:15,441 INFO L130 PetriNetUnfolder]: For 305550/306077 co-relation queries the response was YES. [2021-03-25 12:10:15,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67829 conditions, 5186 events. 2073/5186 cut-off events. For 305550/306077 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 52180 event pairs, 18 based on Foata normal form. 55/5221 useless extension candidates. Maximal degree in co-relation 67253. Up to 1543 conditions per place. [2021-03-25 12:10:15,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 2368 [2021-03-25 12:10:15,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:10:15,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:10:15,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2308 [2021-03-25 12:10:15,972 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 1913 transitions, 57818 flow [2021-03-25 12:10:15,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 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) [2021-03-25 12:10:15,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:15,972 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:16,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-03-25 12:10:16,172 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:16,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:16,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1864045928, now seen corresponding path program 8 times [2021-03-25 12:10:16,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:16,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521750246] [2021-03-25 12:10:16,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:16,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 66.7 percent of original size [2021-03-25 12:10:16,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:10:16,206 INFO L142 QuantifierPusher]: treesize reduction 94, result has 46.3 percent of original size [2021-03-25 12:10:16,207 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 78 [2021-03-25 12:10:16,267 INFO L142 QuantifierPusher]: treesize reduction 39, result has 64.5 percent of original size [2021-03-25 12:10:16,268 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size 68 [2021-03-25 12:10:16,315 INFO L142 QuantifierPusher]: treesize reduction 17, result has 78.8 percent of original size [2021-03-25 12:10:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 12:10:16,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:10:16,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:10:16,374 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:10:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:16,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521750246] [2021-03-25 12:10:16,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559806816] [2021-03-25 12:10:16,384 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 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 [2021-03-25 12:10:16,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:10:16,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:10:16,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-25 12:10:16,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:10:16,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:16,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,554 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size 27 [2021-03-25 12:10:16,554 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 12:10:16,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:16,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,590 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-25 12:10:16,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 12:10:16,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:10:16,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,616 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-03-25 12:10:16,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-03-25 12:10:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:16,635 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 12:10:16,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:10:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:10:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:10:16,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:16,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,667 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-03-25 12:10:16,667 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 12:10:16,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:16,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:16,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:10:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:16,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:16,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:16,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:10:16,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:10:16,678 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 20 treesize of output 12 [2021-03-25 12:10:16,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:16,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:16,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:10:16,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,686 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 12:10:16,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:16,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:10:16,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:10:16,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:16,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:16,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:16,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:16,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 12:10:16,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552743886] [2021-03-25 12:10:16,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:10:16,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:16,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:10:16,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:10:16,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 12:10:16,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 1913 transitions, 57818 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) [2021-03-25 12:10:16,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:16,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 12:10:16,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:21,312 INFO L129 PetriNetUnfolder]: 2596/5916 cut-off events. [2021-03-25 12:10:21,313 INFO L130 PetriNetUnfolder]: For 360791/360837 co-relation queries the response was YES. [2021-03-25 12:10:21,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82695 conditions, 5916 events. 2596/5916 cut-off events. For 360791/360837 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 55946 event pairs, 200 based on Foata normal form. 36/5949 useless extension candidates. Maximal degree in co-relation 82098. Up to 3922 conditions per place. [2021-03-25 12:10:21,551 INFO L132 encePairwiseOnDemand]: 36/65 looper letters, 1507 selfloop transitions, 468 changer transitions 5/1986 dead transitions. [2021-03-25 12:10:21,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 1986 transitions, 63754 flow [2021-03-25 12:10:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 12:10:21,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 12:10:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 374 transitions. [2021-03-25 12:10:21,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2876923076923077 [2021-03-25 12:10:21,552 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 374 transitions. [2021-03-25 12:10:21,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 374 transitions. [2021-03-25 12:10:21,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:21,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 374 transitions. [2021-03-25 12:10:21,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 18.7) internal successors, (374), 20 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:21,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 65.0) internal successors, (1365), 21 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:21,554 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 65.0) internal successors, (1365), 21 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:21,554 INFO L185 Difference]: Start difference. First operand has 576 places, 1913 transitions, 57818 flow. Second operand 20 states and 374 transitions. [2021-03-25 12:10:21,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 1986 transitions, 63754 flow [2021-03-25 12:10:24,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 1986 transitions, 63117 flow, removed 163 selfloop flow, removed 2 redundant places. [2021-03-25 12:10:24,984 INFO L241 Difference]: Finished difference. Result has 600 places, 1945 transitions, 59111 flow [2021-03-25 12:10:24,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=57203, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=439, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=59111, PETRI_PLACES=600, PETRI_TRANSITIONS=1945} [2021-03-25 12:10:24,985 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 579 predicate places. [2021-03-25 12:10:24,985 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:24,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 1945 transitions, 59111 flow [2021-03-25 12:10:24,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 1945 transitions, 59111 flow [2021-03-25 12:10:25,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 600 places, 1945 transitions, 59111 flow [2021-03-25 12:10:26,953 INFO L129 PetriNetUnfolder]: 2087/5214 cut-off events. [2021-03-25 12:10:26,953 INFO L130 PetriNetUnfolder]: For 318704/319213 co-relation queries the response was YES. [2021-03-25 12:10:27,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68863 conditions, 5214 events. 2087/5214 cut-off events. For 318704/319213 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 52482 event pairs, 18 based on Foata normal form. 60/5256 useless extension candidates. Maximal degree in co-relation 68214. Up to 1555 conditions per place. [2021-03-25 12:10:27,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 2404 [2021-03-25 12:10:28,053 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 12:10:28,053 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 12:10:28,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3068 [2021-03-25 12:10:28,053 INFO L480 AbstractCegarLoop]: Abstraction has has 600 places, 1945 transitions, 59161 flow [2021-03-25 12:10:28,053 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) [2021-03-25 12:10:28,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:28,053 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:28,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:28,256 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:28,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash 4272718, now seen corresponding path program 9 times [2021-03-25 12:10:28,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:28,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096804884] [2021-03-25 12:10:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:28,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 12:10:28,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:10:28,290 INFO L142 QuantifierPusher]: treesize reduction 71, result has 62.2 percent of original size [2021-03-25 12:10:28,291 INFO L147 QuantifierPusher]: treesize reduction 41, result has 65.0 percent of original size 76 [2021-03-25 12:10:28,377 INFO L142 QuantifierPusher]: treesize reduction 41, result has 60.2 percent of original size [2021-03-25 12:10:28,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 12:10:28,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-25 12:10:28,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:10:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:10:28,437 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:10:28,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:28,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096804884] [2021-03-25 12:10:28,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627046517] [2021-03-25 12:10:28,446 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 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 [2021-03-25 12:10:28,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 12:10:28,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:10:28,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:10:28,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:10:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:28,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,488 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-25 12:10:28,488 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 12:10:28,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:10:28,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:10:28,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:10:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:10:28,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 12:10:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 12:10:28,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:28,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 12:10:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:28,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:10:28,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:28,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:28,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:28,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:28,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:10:28,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:10:28,556 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 20 treesize of output 12 [2021-03-25 12:10:28,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:28,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:28,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:10:28,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 12:10:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:28,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:10:28,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:10:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:28,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:28,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:28,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:28,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:28,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 12:10:28,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499964293] [2021-03-25 12:10:28,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:10:28,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:28,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:10:28,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:10:28,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 12:10:28,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 1945 transitions, 59161 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) [2021-03-25 12:10:28,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:28,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 12:10:28,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:33,215 INFO L129 PetriNetUnfolder]: 2595/5874 cut-off events. [2021-03-25 12:10:33,215 INFO L130 PetriNetUnfolder]: For 370515/370714 co-relation queries the response was YES. [2021-03-25 12:10:33,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83186 conditions, 5874 events. 2595/5874 cut-off events. For 370515/370714 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 55276 event pairs, 230 based on Foata normal form. 67/5938 useless extension candidates. Maximal degree in co-relation 82579. Up to 4841 conditions per place. [2021-03-25 12:10:33,447 INFO L132 encePairwiseOnDemand]: 49/67 looper letters, 1898 selfloop transitions, 52 changer transitions 3/1959 dead transitions. [2021-03-25 12:10:33,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1959 transitions, 63471 flow [2021-03-25 12:10:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 12:10:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 12:10:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 187 transitions. [2021-03-25 12:10:33,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3101160862354892 [2021-03-25 12:10:33,449 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 187 transitions. [2021-03-25 12:10:33,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 187 transitions. [2021-03-25 12:10:33,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:33,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 187 transitions. [2021-03-25 12:10:33,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.77777777777778) internal successors, (187), 9 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:33,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 67.0) internal successors, (670), 10 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:33,450 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 67.0) internal successors, (670), 10 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:33,450 INFO L185 Difference]: Start difference. First operand has 600 places, 1945 transitions, 59161 flow. Second operand 9 states and 187 transitions. [2021-03-25 12:10:33,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1959 transitions, 63471 flow [2021-03-25 12:10:37,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 600 places, 1959 transitions, 63171 flow, removed 72 selfloop flow, removed 8 redundant places. [2021-03-25 12:10:37,262 INFO L241 Difference]: Finished difference. Result has 602 places, 1952 transitions, 59185 flow [2021-03-25 12:10:37,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=58861, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=59185, PETRI_PLACES=602, PETRI_TRANSITIONS=1952} [2021-03-25 12:10:37,264 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 581 predicate places. [2021-03-25 12:10:37,264 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:37,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 1952 transitions, 59185 flow [2021-03-25 12:10:37,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 1952 transitions, 59185 flow [2021-03-25 12:10:37,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 1952 transitions, 59185 flow [2021-03-25 12:10:39,174 INFO L129 PetriNetUnfolder]: 2082/5204 cut-off events. [2021-03-25 12:10:39,174 INFO L130 PetriNetUnfolder]: For 318573/319073 co-relation queries the response was YES. [2021-03-25 12:10:39,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68855 conditions, 5204 events. 2082/5204 cut-off events. For 318573/319073 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 52316 event pairs, 17 based on Foata normal form. 53/5237 useless extension candidates. Maximal degree in co-relation 68264. Up to 1479 conditions per place. [2021-03-25 12:10:39,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 2422 [2021-03-25 12:10:39,741 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:10:39,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:10:39,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2478 [2021-03-25 12:10:39,742 INFO L480 AbstractCegarLoop]: Abstraction has has 602 places, 1952 transitions, 59185 flow [2021-03-25 12:10:39,742 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) [2021-03-25 12:10:39,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:39,742 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:39,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-25 12:10:39,943 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash -683961690, now seen corresponding path program 1 times [2021-03-25 12:10:39,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:39,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159746814] [2021-03-25 12:10:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:39,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 12:10:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:10:39,972 INFO L142 QuantifierPusher]: treesize reduction 110, result has 40.9 percent of original size [2021-03-25 12:10:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 12:10:40,020 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 12:10:40,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:10:40,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:10:40,052 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:10:40,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:40,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159746814] [2021-03-25 12:10:40,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478583870] [2021-03-25 12:10:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order 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) [2021-03-25 12:10:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:40,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:10:40,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:10:40,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:40,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,121 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-25 12:10:40,122 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 12:10:40,122 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-03-25 12:10:40,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:10:40,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:10:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:10:40,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,139 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 12:10:40,139 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 12:10:40,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:10:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,164 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 12:10:40,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:40,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:40,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:10:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:40,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:10:40,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:10:40,177 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 20 treesize of output 12 [2021-03-25 12:10:40,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:40,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:40,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:10:40,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:40,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:10:40,183 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:10:40,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:40,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:40,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:40,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:40,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-25 12:10:40,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181533182] [2021-03-25 12:10:40,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:10:40,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:40,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:10:40,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:10:40,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 12:10:40,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 602 places, 1952 transitions, 59185 flow. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:40,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:40,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 12:10:40,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:44,522 INFO L129 PetriNetUnfolder]: 2595/5870 cut-off events. [2021-03-25 12:10:44,522 INFO L130 PetriNetUnfolder]: For 371004/371174 co-relation queries the response was YES. [2021-03-25 12:10:44,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83188 conditions, 5870 events. 2595/5870 cut-off events. For 371004/371174 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 55204 event pairs, 222 based on Foata normal form. 53/5920 useless extension candidates. Maximal degree in co-relation 82578. Up to 4847 conditions per place. [2021-03-25 12:10:44,642 INFO L132 encePairwiseOnDemand]: 50/67 looper letters, 1908 selfloop transitions, 36 changer transitions 4/1954 dead transitions. [2021-03-25 12:10:44,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1954 transitions, 63150 flow [2021-03-25 12:10:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 12:10:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 12:10:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-25 12:10:44,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31982942430703626 [2021-03-25 12:10:44,643 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-25 12:10:44,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-25 12:10:44,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:44,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-25 12:10:44,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:44,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 67.0) internal successors, (536), 8 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:44,644 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 67.0) internal successors, (536), 8 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:44,644 INFO L185 Difference]: Start difference. First operand has 602 places, 1952 transitions, 59185 flow. Second operand 7 states and 150 transitions. [2021-03-25 12:10:44,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1954 transitions, 63150 flow [2021-03-25 12:10:48,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 1954 transitions, 63065 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-25 12:10:48,212 INFO L241 Difference]: Finished difference. Result has 603 places, 1950 transitions, 59113 flow [2021-03-25 12:10:48,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=59100, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1916, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=59113, PETRI_PLACES=603, PETRI_TRANSITIONS=1950} [2021-03-25 12:10:48,213 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 582 predicate places. [2021-03-25 12:10:48,214 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:48,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 1950 transitions, 59113 flow [2021-03-25 12:10:48,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 1950 transitions, 59113 flow [2021-03-25 12:10:48,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 1950 transitions, 59113 flow [2021-03-25 12:10:50,106 INFO L129 PetriNetUnfolder]: 2079/5194 cut-off events. [2021-03-25 12:10:50,106 INFO L130 PetriNetUnfolder]: For 321129/321626 co-relation queries the response was YES. [2021-03-25 12:10:50,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68945 conditions, 5194 events. 2079/5194 cut-off events. For 321129/321626 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 52204 event pairs, 17 based on Foata normal form. 53/5227 useless extension candidates. Maximal degree in co-relation 68352. Up to 1477 conditions per place. [2021-03-25 12:10:50,238 INFO L142 LiptonReduction]: Number of co-enabled transitions 2422 [2021-03-25 12:10:50,643 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:10:50,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:10:50,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2430 [2021-03-25 12:10:50,644 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 1950 transitions, 59113 flow [2021-03-25 12:10:50,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:50,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:50,644 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:50,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:50,845 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash -389817626, now seen corresponding path program 2 times [2021-03-25 12:10:50,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:50,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376516585] [2021-03-25 12:10:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:50,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 12:10:50,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:10:50,875 INFO L142 QuantifierPusher]: treesize reduction 110, result has 40.9 percent of original size [2021-03-25 12:10:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 12:10:50,935 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 12:10:50,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:10:50,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:50,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:50,961 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:10:50,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:50,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376516585] [2021-03-25 12:10:50,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32286789] [2021-03-25 12:10:50,971 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) [2021-03-25 12:10:51,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:10:51,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:10:51,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:10:51,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:51,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:10:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,010 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size 27 [2021-03-25 12:10:51,010 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 12:10:51,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:10:51,029 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 12:10:51,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:10:51,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:51,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:10:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,083 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-03-25 12:10:51,084 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 12:10:51,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:10:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:10:51,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:51,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:51,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:10:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:10:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:10:51,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:10:51,097 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 20 treesize of output 12 [2021-03-25 12:10:51,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:51,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:51,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:10:51,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,103 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 12:10:51,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:51,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:10:51,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 12:10:51,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:51,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:10:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:51,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:10:51,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:51,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-25 12:10:51,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313908350] [2021-03-25 12:10:51,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:10:51,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:51,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:10:51,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:10:51,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 12:10:51,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 1950 transitions, 59113 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:51,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:51,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 12:10:51,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:10:55,539 INFO L129 PetriNetUnfolder]: 2597/5883 cut-off events. [2021-03-25 12:10:55,539 INFO L130 PetriNetUnfolder]: For 374190/374403 co-relation queries the response was YES. [2021-03-25 12:10:55,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83516 conditions, 5883 events. 2597/5883 cut-off events. For 374190/374403 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 55294 event pairs, 226 based on Foata normal form. 67/5947 useless extension candidates. Maximal degree in co-relation 82936. Up to 4843 conditions per place. [2021-03-25 12:10:55,660 INFO L132 encePairwiseOnDemand]: 50/67 looper letters, 1903 selfloop transitions, 52 changer transitions 3/1964 dead transitions. [2021-03-25 12:10:55,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 1964 transitions, 63442 flow [2021-03-25 12:10:55,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 12:10:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 12:10:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 170 transitions. [2021-03-25 12:10:55,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31716417910447764 [2021-03-25 12:10:55,661 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 170 transitions. [2021-03-25 12:10:55,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 170 transitions. [2021-03-25 12:10:55,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:10:55,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 170 transitions. [2021-03-25 12:10:55,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:55,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 67.0) internal successors, (603), 9 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:55,662 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 67.0) internal successors, (603), 9 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:55,662 INFO L185 Difference]: Start difference. First operand has 603 places, 1950 transitions, 59113 flow. Second operand 8 states and 170 transitions. [2021-03-25 12:10:55,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 1964 transitions, 63442 flow [2021-03-25 12:10:59,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 1964 transitions, 63375 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-25 12:10:59,487 INFO L241 Difference]: Finished difference. Result has 608 places, 1956 transitions, 59352 flow [2021-03-25 12:10:59,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=59046, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1898, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=59352, PETRI_PLACES=608, PETRI_TRANSITIONS=1956} [2021-03-25 12:10:59,489 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 587 predicate places. [2021-03-25 12:10:59,489 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:59,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 1956 transitions, 59352 flow [2021-03-25 12:10:59,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 1956 transitions, 59352 flow [2021-03-25 12:10:59,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 608 places, 1956 transitions, 59352 flow [2021-03-25 12:11:01,491 INFO L129 PetriNetUnfolder]: 2085/5213 cut-off events. [2021-03-25 12:11:01,491 INFO L130 PetriNetUnfolder]: For 326171/326675 co-relation queries the response was YES. [2021-03-25 12:11:01,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69416 conditions, 5213 events. 2085/5213 cut-off events. For 326171/326675 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 52183 event pairs, 15 based on Foata normal form. 60/5253 useless extension candidates. Maximal degree in co-relation 68820. Up to 1478 conditions per place. [2021-03-25 12:11:01,638 INFO L142 LiptonReduction]: Number of co-enabled transitions 2426 [2021-03-25 12:11:02,089 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:11:02,089 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:11:02,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2600 [2021-03-25 12:11:02,090 INFO L480 AbstractCegarLoop]: Abstraction has has 608 places, 1956 transitions, 59352 flow [2021-03-25 12:11:02,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:02,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:11:02,090 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:11:02,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-25 12:11:02,291 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:11:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:11:02,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1095606917, now seen corresponding path program 37 times [2021-03-25 12:11:02,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:11:02,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712651126] [2021-03-25 12:11:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:11:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:02,318 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 12:11:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:11:02,348 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:11:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:11:02,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:11:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 12:11:02,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:11:02,399 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:11:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,414 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:11:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:11:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:02,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712651126] [2021-03-25 12:11:02,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444022594] [2021-03-25 12:11:02,425 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 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 [2021-03-25 12:11:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:02,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 12:11:02,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:11:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,475 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 12:11:02,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 12:11:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:11:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:11:02,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:11:02,495 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-25 12:11:02,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:11:02,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:11:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:11:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:11:02,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,519 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-03-25 12:11:02,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-25 12:11:02,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:11:02,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:11:02,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:11:02,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:11:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:11:02,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:11:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:11:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,564 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-25 12:11:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:11:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:11:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:11:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:11:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:11:02,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:11:02,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:11:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:11:02,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:11:02,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:11:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:11:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:11:02,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,586 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 [2021-03-25 12:11:02,586 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 12:11:02,587 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 12:11:02,587 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:11:02,588 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:11:02,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,590 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-25 12:11:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:11:02,591 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 12:11:02,591 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:11:02,591 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,593 INFO L147 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size 32 [2021-03-25 12:11:02,593 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-25 12:11:02,594 INFO L147 QuantifierPusher]: treesize reduction 24, result has 25.0 percent of original size 8 [2021-03-25 12:11:02,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 12:11:02,616 INFO L628 ElimStorePlain]: treesize reduction 24, result has 48.9 percent of original size [2021-03-25 12:11:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,617 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:11:02,617 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,618 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 12:11:02,619 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-25 12:11:02,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:11:02,619 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:22 [2021-03-25 12:11:02,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 12:11:02,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,640 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 12:11:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:11:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,839 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-25 12:11:02,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:02,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:11:02,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,841 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:11:02,843 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:02,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:02,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:02,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:02,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:11:02,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 12:11:02,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142283239] [2021-03-25 12:11:02,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 12:11:02,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:11:02,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 12:11:02,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-03-25 12:11:02,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 12:11:02,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 1956 transitions, 59352 flow. Second operand has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 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) [2021-03-25 12:11:02,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:11:02,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 12:11:02,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:11:07,173 INFO L129 PetriNetUnfolder]: 2599/5887 cut-off events. [2021-03-25 12:11:07,173 INFO L130 PetriNetUnfolder]: For 378694/378864 co-relation queries the response was YES. [2021-03-25 12:11:07,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83877 conditions, 5887 events. 2599/5887 cut-off events. For 378694/378864 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 55381 event pairs, 229 based on Foata normal form. 53/5937 useless extension candidates. Maximal degree in co-relation 83274. Up to 4843 conditions per place. [2021-03-25 12:11:07,410 INFO L132 encePairwiseOnDemand]: 48/67 looper letters, 1909 selfloop transitions, 54 changer transitions 1/1970 dead transitions. [2021-03-25 12:11:07,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 1970 transitions, 63862 flow [2021-03-25 12:11:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:11:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:11:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 248 transitions. [2021-03-25 12:11:07,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2847301951779564 [2021-03-25 12:11:07,412 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 248 transitions. [2021-03-25 12:11:07,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 248 transitions. [2021-03-25 12:11:07,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:11:07,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 248 transitions. [2021-03-25 12:11:07,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:07,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:07,413 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:07,413 INFO L185 Difference]: Start difference. First operand has 608 places, 1956 transitions, 59352 flow. Second operand 13 states and 248 transitions. [2021-03-25 12:11:07,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 1970 transitions, 63862 flow [2021-03-25 12:11:11,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 1970 transitions, 63756 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 12:11:11,050 INFO L241 Difference]: Finished difference. Result has 616 places, 1965 transitions, 59763 flow [2021-03-25 12:11:11,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=59237, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1901, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=59763, PETRI_PLACES=616, PETRI_TRANSITIONS=1965} [2021-03-25 12:11:11,052 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 595 predicate places. [2021-03-25 12:11:11,052 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:11:11,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 616 places, 1965 transitions, 59763 flow [2021-03-25 12:11:11,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 616 places, 1965 transitions, 59763 flow [2021-03-25 12:11:11,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 616 places, 1965 transitions, 59763 flow [2021-03-25 12:11:12,950 INFO L129 PetriNetUnfolder]: 2086/5223 cut-off events. [2021-03-25 12:11:12,950 INFO L130 PetriNetUnfolder]: For 328249/328717 co-relation queries the response was YES. [2021-03-25 12:11:13,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69679 conditions, 5223 events. 2086/5223 cut-off events. For 328249/328717 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 52434 event pairs, 16 based on Foata normal form. 56/5258 useless extension candidates. Maximal degree in co-relation 69129. Up to 1476 conditions per place. [2021-03-25 12:11:13,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 2440 [2021-03-25 12:11:14,104 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:11:14,104 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:11:14,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3052 [2021-03-25 12:11:14,104 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 1965 transitions, 59779 flow [2021-03-25 12:11:14,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 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) [2021-03-25 12:11:14,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:11:14,104 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:11:14,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:11:14,305 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:11:14,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:11:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash -917500341, now seen corresponding path program 4 times [2021-03-25 12:11:14,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:11:14,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638298286] [2021-03-25 12:11:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:11:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:14,322 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:11:14,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:11:14,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:14,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:14,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638298286] [2021-03-25 12:11:14,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975083889] [2021-03-25 12:11:14,349 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 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 [2021-03-25 12:11:14,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:11:14,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:11:14,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:11:14,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:11:14,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:14,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:14,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:14,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,390 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:11:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:11:14,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,397 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 12:11:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:14,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:11:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:14,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:14,403 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:11:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:14,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:14,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:11:14,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:11:14,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886818812] [2021-03-25 12:11:14,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:11:14,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:11:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:11:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:11:14,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 68 [2021-03-25 12:11:14,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 1965 transitions, 59779 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) [2021-03-25 12:11:14,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:11:14,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 68 [2021-03-25 12:11:14,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:11:18,993 INFO L129 PetriNetUnfolder]: 2615/5980 cut-off events. [2021-03-25 12:11:18,993 INFO L130 PetriNetUnfolder]: For 383719/383932 co-relation queries the response was YES. [2021-03-25 12:11:19,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84886 conditions, 5980 events. 2615/5980 cut-off events. For 383719/383932 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 56843 event pairs, 220 based on Foata normal form. 69/6046 useless extension candidates. Maximal degree in co-relation 84320. Up to 2650 conditions per place. [2021-03-25 12:11:19,241 INFO L132 encePairwiseOnDemand]: 48/68 looper letters, 1470 selfloop transitions, 549 changer transitions 12/2038 dead transitions. [2021-03-25 12:11:19,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 2038 transitions, 66648 flow [2021-03-25 12:11:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 12:11:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 12:11:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 467 transitions. [2021-03-25 12:11:19,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2985933503836317 [2021-03-25 12:11:19,242 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 467 transitions. [2021-03-25 12:11:19,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 467 transitions. [2021-03-25 12:11:19,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:11:19,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 467 transitions. [2021-03-25 12:11:19,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 20.304347826086957) internal successors, (467), 23 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:19,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 68.0) internal successors, (1632), 24 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:19,244 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 68.0) internal successors, (1632), 24 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:19,244 INFO L185 Difference]: Start difference. First operand has 616 places, 1965 transitions, 59779 flow. Second operand 23 states and 467 transitions. [2021-03-25 12:11:19,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 2038 transitions, 66648 flow [2021-03-25 12:11:22,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 2038 transitions, 66347 flow, removed 113 selfloop flow, removed 6 redundant places. [2021-03-25 12:11:22,956 INFO L241 Difference]: Finished difference. Result has 636 places, 1990 transitions, 62373 flow [2021-03-25 12:11:22,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=59518, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=523, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=62373, PETRI_PLACES=636, PETRI_TRANSITIONS=1990} [2021-03-25 12:11:22,958 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 615 predicate places. [2021-03-25 12:11:22,958 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:11:22,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 1990 transitions, 62373 flow [2021-03-25 12:11:22,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 1990 transitions, 62373 flow [2021-03-25 12:11:22,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 1990 transitions, 62373 flow [2021-03-25 12:11:24,932 INFO L129 PetriNetUnfolder]: 2101/5249 cut-off events. [2021-03-25 12:11:24,933 INFO L130 PetriNetUnfolder]: For 361630/362138 co-relation queries the response was YES. [2021-03-25 12:11:25,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72023 conditions, 5249 events. 2101/5249 cut-off events. For 361630/362138 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 52622 event pairs, 17 based on Foata normal form. 58/5283 useless extension candidates. Maximal degree in co-relation 71513. Up to 1492 conditions per place. [2021-03-25 12:11:25,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 2468 [2021-03-25 12:11:26,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:11:26,362 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:11:26,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3404 [2021-03-25 12:11:26,362 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 1990 transitions, 62384 flow [2021-03-25 12:11:26,362 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) [2021-03-25 12:11:26,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:11:26,362 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:11:26,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:11:26,563 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:11:26,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:11:26,563 INFO L82 PathProgramCache]: Analyzing trace with hash -945055883, now seen corresponding path program 1 times [2021-03-25 12:11:26,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:11:26,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074048681] [2021-03-25 12:11:26,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:11:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:26,569 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:11:26,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:11:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:26,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:26,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074048681] [2021-03-25 12:11:26,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337131248] [2021-03-25 12:11:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:11:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:26,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 12:11:26,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:11:26,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:26,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:26,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:26,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:26,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:26,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:26,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:26,665 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:11:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:11:26,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:26,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:11:26,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:11:26,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:26,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:11:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:26,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:26,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:11:26,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:11:26,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838767645] [2021-03-25 12:11:26,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:11:26,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:11:26,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:11:26,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:11:26,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 12:11:26,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 1990 transitions, 62384 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) [2021-03-25 12:11:26,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:11:26,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 12:11:26,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:11:31,790 INFO L129 PetriNetUnfolder]: 2632/5994 cut-off events. [2021-03-25 12:11:31,790 INFO L130 PetriNetUnfolder]: For 418831/419066 co-relation queries the response was YES. [2021-03-25 12:11:31,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87296 conditions, 5994 events. 2632/5994 cut-off events. For 418831/419066 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 56936 event pairs, 227 based on Foata normal form. 72/6063 useless extension candidates. Maximal degree in co-relation 86770. Up to 4275 conditions per place. [2021-03-25 12:11:31,916 INFO L132 encePairwiseOnDemand]: 47/69 looper letters, 1684 selfloop transitions, 367 changer transitions 0/2058 dead transitions. [2021-03-25 12:11:31,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 2058 transitions, 69094 flow [2021-03-25 12:11:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:11:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:11:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 347 transitions. [2021-03-25 12:11:31,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31431159420289856 [2021-03-25 12:11:31,917 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 347 transitions. [2021-03-25 12:11:31,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 347 transitions. [2021-03-25 12:11:31,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:11:31,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 347 transitions. [2021-03-25 12:11:31,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.6875) internal successors, (347), 16 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:31,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 69.0) internal successors, (1173), 17 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:31,918 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 69.0) internal successors, (1173), 17 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:31,918 INFO L185 Difference]: Start difference. First operand has 636 places, 1990 transitions, 62384 flow. Second operand 16 states and 347 transitions. [2021-03-25 12:11:31,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 2058 transitions, 69094 flow [2021-03-25 12:11:36,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 2058 transitions, 68546 flow, removed 72 selfloop flow, removed 16 redundant places. [2021-03-25 12:11:36,333 INFO L241 Difference]: Finished difference. Result has 637 places, 2017 transitions, 64157 flow [2021-03-25 12:11:36,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=61850, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=340, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=64157, PETRI_PLACES=637, PETRI_TRANSITIONS=2017} [2021-03-25 12:11:36,335 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 616 predicate places. [2021-03-25 12:11:36,335 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:11:36,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 2017 transitions, 64157 flow [2021-03-25 12:11:36,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 2017 transitions, 64157 flow [2021-03-25 12:11:36,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 2017 transitions, 64157 flow [2021-03-25 12:11:38,637 INFO L129 PetriNetUnfolder]: 2130/5389 cut-off events. [2021-03-25 12:11:38,637 INFO L130 PetriNetUnfolder]: For 371931/372424 co-relation queries the response was YES. [2021-03-25 12:11:38,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73959 conditions, 5389 events. 2130/5389 cut-off events. For 371931/372424 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 54817 event pairs, 15 based on Foata normal form. 59/5434 useless extension candidates. Maximal degree in co-relation 73446. Up to 1504 conditions per place. [2021-03-25 12:11:38,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 2516 [2021-03-25 12:11:39,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:11:39,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:11:39,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2886 [2021-03-25 12:11:39,221 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 2017 transitions, 64157 flow [2021-03-25 12:11:39,221 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) [2021-03-25 12:11:39,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:11:39,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:11:39,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-25 12:11:39,422 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:11:39,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:11:39,422 INFO L82 PathProgramCache]: Analyzing trace with hash 213664518, now seen corresponding path program 1 times [2021-03-25 12:11:39,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:11:39,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318894736] [2021-03-25 12:11:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:11:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:39,436 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:11:39,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,441 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:11:39,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:39,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318894736] [2021-03-25 12:11:39,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493280637] [2021-03-25 12:11:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:11:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:39,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 12:11:39,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:11:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:39,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:39,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:39,524 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:11:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:11:39,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:39,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:39,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:39,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:39,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:39,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:39,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:11:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:39,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:11:39,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:11:39,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366030070] [2021-03-25 12:11:39,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:11:39,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:11:39,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:11:39,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:11:39,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 12:11:39,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 2017 transitions, 64157 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) [2021-03-25 12:11:39,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:11:39,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 12:11:39,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:11:44,250 INFO L129 PetriNetUnfolder]: 2637/6019 cut-off events. [2021-03-25 12:11:44,250 INFO L130 PetriNetUnfolder]: For 427078/427309 co-relation queries the response was YES. [2021-03-25 12:11:44,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88319 conditions, 6019 events. 2637/6019 cut-off events. For 427078/427309 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 57310 event pairs, 226 based on Foata normal form. 70/6086 useless extension candidates. Maximal degree in co-relation 87792. Up to 3991 conditions per place. [2021-03-25 12:11:44,381 INFO L132 encePairwiseOnDemand]: 48/69 looper letters, 1633 selfloop transitions, 432 changer transitions 1/2073 dead transitions. [2021-03-25 12:11:44,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 2073 transitions, 70197 flow [2021-03-25 12:11:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:11:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:11:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 351 transitions. [2021-03-25 12:11:44,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3179347826086957 [2021-03-25 12:11:44,382 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 351 transitions. [2021-03-25 12:11:44,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 351 transitions. [2021-03-25 12:11:44,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:11:44,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 351 transitions. [2021-03-25 12:11:44,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.9375) internal successors, (351), 16 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:44,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 69.0) internal successors, (1173), 17 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:44,383 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 69.0) internal successors, (1173), 17 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:44,383 INFO L185 Difference]: Start difference. First operand has 637 places, 2017 transitions, 64157 flow. Second operand 16 states and 351 transitions. [2021-03-25 12:11:44,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 2073 transitions, 70197 flow [2021-03-25 12:11:48,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 2073 transitions, 69537 flow, removed 69 selfloop flow, removed 11 redundant places. [2021-03-25 12:11:48,828 INFO L241 Difference]: Finished difference. Result has 643 places, 2016 transitions, 64712 flow [2021-03-25 12:11:48,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=63354, PETRI_DIFFERENCE_MINUEND_PLACES=626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2012, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=428, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=64712, PETRI_PLACES=643, PETRI_TRANSITIONS=2016} [2021-03-25 12:11:48,829 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 622 predicate places. [2021-03-25 12:11:48,830 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:11:48,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 2016 transitions, 64712 flow [2021-03-25 12:11:48,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 2016 transitions, 64712 flow [2021-03-25 12:11:48,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 2016 transitions, 64712 flow [2021-03-25 12:11:50,962 INFO L129 PetriNetUnfolder]: 2124/5404 cut-off events. [2021-03-25 12:11:50,962 INFO L130 PetriNetUnfolder]: For 382395/382876 co-relation queries the response was YES. [2021-03-25 12:11:51,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74597 conditions, 5404 events. 2124/5404 cut-off events. For 382395/382876 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 55392 event pairs, 16 based on Foata normal form. 56/5445 useless extension candidates. Maximal degree in co-relation 74148. Up to 1506 conditions per place. [2021-03-25 12:11:51,105 INFO L142 LiptonReduction]: Number of co-enabled transitions 2528 [2021-03-25 12:11:51,573 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:11:51,574 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:11:51,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2744 [2021-03-25 12:11:51,574 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 2016 transitions, 64712 flow [2021-03-25 12:11:51,574 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) [2021-03-25 12:11:51,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:11:51,574 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:11:51,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-03-25 12:11:51,777 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:11:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:11:51,777 INFO L82 PathProgramCache]: Analyzing trace with hash -62193687, now seen corresponding path program 5 times [2021-03-25 12:11:51,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:11:51,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476026135] [2021-03-25 12:11:51,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:11:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:11:51,782 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:11:51,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:11:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:51,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476026135] [2021-03-25 12:11:51,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227843536] [2021-03-25 12:11:51,810 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:11:51,854 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 12:11:51,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:11:51,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:11:51,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:11:51,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:11:51,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:51,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:11:51,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:11:51,882 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:11:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:11:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:11:51,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:11:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:11:51,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,895 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 12:11:51,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:11:51,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:11:51,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:11:51,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:11:51,898 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:11:51,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:11:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:11:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:11:51,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:11:51,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:11:51,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350753566] [2021-03-25 12:11:51,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:11:51,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:11:51,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:11:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:11:51,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 12:11:51,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 2016 transitions, 64712 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) [2021-03-25 12:11:51,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:11:51,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 12:11:51,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:11:56,905 INFO L129 PetriNetUnfolder]: 2716/6352 cut-off events. [2021-03-25 12:11:56,905 INFO L130 PetriNetUnfolder]: For 471244/471431 co-relation queries the response was YES. [2021-03-25 12:11:57,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93701 conditions, 6352 events. 2716/6352 cut-off events. For 471244/471431 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 62226 event pairs, 222 based on Foata normal form. 56/6404 useless extension candidates. Maximal degree in co-relation 93308. Up to 2490 conditions per place. [2021-03-25 12:11:57,044 INFO L132 encePairwiseOnDemand]: 47/69 looper letters, 1402 selfloop transitions, 763 changer transitions 15/2187 dead transitions. [2021-03-25 12:11:57,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 2187 transitions, 75076 flow [2021-03-25 12:11:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 12:11:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 12:11:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 474 transitions. [2021-03-25 12:11:57,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29867674858223064 [2021-03-25 12:11:57,046 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 474 transitions. [2021-03-25 12:11:57,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 474 transitions. [2021-03-25 12:11:57,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:11:57,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 474 transitions. [2021-03-25 12:11:57,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 20.608695652173914) internal successors, (474), 23 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:57,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:57,047 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:11:57,047 INFO L185 Difference]: Start difference. First operand has 643 places, 2016 transitions, 64712 flow. Second operand 23 states and 474 transitions. [2021-03-25 12:11:57,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 2187 transitions, 75076 flow [2021-03-25 12:12:01,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 2187 transitions, 74224 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-25 12:12:01,727 INFO L241 Difference]: Finished difference. Result has 658 places, 2111 transitions, 70271 flow [2021-03-25 12:12:01,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=63728, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=667, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=70271, PETRI_PLACES=658, PETRI_TRANSITIONS=2111} [2021-03-25 12:12:01,729 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 637 predicate places. [2021-03-25 12:12:01,729 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:12:01,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 2111 transitions, 70271 flow [2021-03-25 12:12:01,730 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 2111 transitions, 70271 flow [2021-03-25 12:12:01,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 2111 transitions, 70271 flow [2021-03-25 12:12:04,040 INFO L129 PetriNetUnfolder]: 2214/5712 cut-off events. [2021-03-25 12:12:04,040 INFO L130 PetriNetUnfolder]: For 445046/445513 co-relation queries the response was YES. [2021-03-25 12:12:04,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81834 conditions, 5712 events. 2214/5712 cut-off events. For 445046/445513 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 59509 event pairs, 14 based on Foata normal form. 45/5737 useless extension candidates. Maximal degree in co-relation 81423. Up to 1580 conditions per place. [2021-03-25 12:12:04,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 2580 [2021-03-25 12:12:04,862 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:12:04,862 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:12:04,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3133 [2021-03-25 12:12:04,862 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 2111 transitions, 70271 flow [2021-03-25 12:12:04,862 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) [2021-03-25 12:12:04,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:12:04,862 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:12:05,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:12:05,063 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:12:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:12:05,063 INFO L82 PathProgramCache]: Analyzing trace with hash 442616399, now seen corresponding path program 1 times [2021-03-25 12:12:05,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:12:05,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756255115] [2021-03-25 12:12:05,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:12:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:12:05,084 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-25 12:12:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:12:05,120 INFO L142 QuantifierPusher]: treesize reduction 51, result has 63.3 percent of original size [2021-03-25 12:12:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 12:12:05,169 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.3 percent of original size [2021-03-25 12:12:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 12:12:05,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:12:05,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:12:05,214 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 12:12:05,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:12:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:05,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756255115] [2021-03-25 12:12:05,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281272080] [2021-03-25 12:12:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:12:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:12:05,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:12:05,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:12:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:05,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:05,294 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-25 12:12:05,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:12:05,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,353 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-03-25 12:12:05,353 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-03-25 12:12:05,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,389 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-03-25 12:12:05,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-03-25 12:12:05,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:12:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 12:12:05,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:12:05,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:12:05,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:05,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 12:12:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 12:12:05,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:12:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:05,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:12:05,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:12:05,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2021-03-25 12:12:05,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:05,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:05,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:12:05,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,416 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-25 12:12:05,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:12:05,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:10 [2021-03-25 12:12:05,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-03-25 12:12:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:05,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:05,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:12:05,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 12:12:05,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980379666] [2021-03-25 12:12:05,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:12:05,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:12:05,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:12:05,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:12:05,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-25 12:12:05,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 2111 transitions, 70271 flow. Second operand has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:05,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:12:05,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-25 12:12:05,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:12:11,331 INFO L129 PetriNetUnfolder]: 2735/6366 cut-off events. [2021-03-25 12:12:11,331 INFO L130 PetriNetUnfolder]: For 509593/509779 co-relation queries the response was YES. [2021-03-25 12:12:11,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97226 conditions, 6366 events. 2735/6366 cut-off events. For 509593/509779 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 62149 event pairs, 217 based on Foata normal form. 53/6415 useless extension candidates. Maximal degree in co-relation 96826. Up to 5167 conditions per place. [2021-03-25 12:12:11,460 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 2062 selfloop transitions, 76 changer transitions 1/2145 dead transitions. [2021-03-25 12:12:11,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 2145 transitions, 75590 flow [2021-03-25 12:12:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:12:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:12:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 224 transitions. [2021-03-25 12:12:11,461 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2951251646903821 [2021-03-25 12:12:11,461 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 224 transitions. [2021-03-25 12:12:11,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 224 transitions. [2021-03-25 12:12:11,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:12:11,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 224 transitions. [2021-03-25 12:12:11,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.363636363636363) internal successors, (224), 11 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:11,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:11,462 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:11,462 INFO L185 Difference]: Start difference. First operand has 658 places, 2111 transitions, 70271 flow. Second operand 11 states and 224 transitions. [2021-03-25 12:12:11,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 2145 transitions, 75590 flow [2021-03-25 12:12:16,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 2145 transitions, 74065 flow, removed 439 selfloop flow, removed 15 redundant places. [2021-03-25 12:12:16,685 INFO L241 Difference]: Finished difference. Result has 658 places, 2133 transitions, 69649 flow [2021-03-25 12:12:16,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=68757, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=69649, PETRI_PLACES=658, PETRI_TRANSITIONS=2133} [2021-03-25 12:12:16,686 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 637 predicate places. [2021-03-25 12:12:16,686 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:12:16,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 2133 transitions, 69649 flow [2021-03-25 12:12:16,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 2133 transitions, 69649 flow [2021-03-25 12:12:16,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 2133 transitions, 69649 flow [2021-03-25 12:12:19,132 INFO L129 PetriNetUnfolder]: 2222/5753 cut-off events. [2021-03-25 12:12:19,132 INFO L130 PetriNetUnfolder]: For 437869/438304 co-relation queries the response was YES. [2021-03-25 12:12:19,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81076 conditions, 5753 events. 2222/5753 cut-off events. For 437869/438304 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 60311 event pairs, 14 based on Foata normal form. 50/5786 useless extension candidates. Maximal degree in co-relation 80554. Up to 1554 conditions per place. [2021-03-25 12:12:19,284 INFO L142 LiptonReduction]: Number of co-enabled transitions 2606 [2021-03-25 12:12:20,458 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:12:20,458 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:12:20,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3772 [2021-03-25 12:12:20,458 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 2133 transitions, 69693 flow [2021-03-25 12:12:20,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:20,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:12:20,459 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:12:20,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:12:20,659 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:12:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:12:20,659 INFO L82 PathProgramCache]: Analyzing trace with hash -257397979, now seen corresponding path program 38 times [2021-03-25 12:12:20,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:12:20,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465705309] [2021-03-25 12:12:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:12:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:12:20,675 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 12:12:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:12:20,709 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 12:12:20,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:12:20,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,732 INFO L142 QuantifierPusher]: treesize reduction 36, result has 45.5 percent of original size [2021-03-25 12:12:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:12:20,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:12:20,766 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 12:12:20,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:12:20,779 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 12:12:20,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:12:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:20,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465705309] [2021-03-25 12:12:20,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990284672] [2021-03-25 12:12:20,790 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 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:12:20,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:12:20,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:12:20,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:12:20,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:12:20,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:12:20,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,845 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 12:12:20,845 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 12:12:20,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:12:20,871 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-25 12:12:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 12:12:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,872 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 33 [2021-03-25 12:12:20,873 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 12:12:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:12:20,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,897 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 37 [2021-03-25 12:12:20,898 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 12:12:20,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:12:20,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:12:20,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 12:12:20,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,923 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-25 12:12:20,923 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-03-25 12:12:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:12:20,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:12:20,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:12:20,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:12:20,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:12:20,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:12:20,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:12:20,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:12:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:12:20,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:20,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:12:20,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 12:12:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:12:20,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:12:20,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 12:12:20,968 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 [2021-03-25 12:12:20,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:20,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:20,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 12:12:20,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:12:20,976 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 12:12:20,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:20,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:20,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:12:20,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 12:12:20,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415062709] [2021-03-25 12:12:20,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 12:12:20,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:12:20,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 12:12:20,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-03-25 12:12:20,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 70 [2021-03-25 12:12:20,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 2133 transitions, 69693 flow. Second operand has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:12:20,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:12:20,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 70 [2021-03-25 12:12:20,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:12:27,920 INFO L129 PetriNetUnfolder]: 2749/6421 cut-off events. [2021-03-25 12:12:27,920 INFO L130 PetriNetUnfolder]: For 503921/504093 co-relation queries the response was YES. [2021-03-25 12:12:28,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96988 conditions, 6421 events. 2749/6421 cut-off events. For 503921/504093 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 62917 event pairs, 224 based on Foata normal form. 61/6478 useless extension candidates. Maximal degree in co-relation 96451. Up to 5138 conditions per place. [2021-03-25 12:12:28,070 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2037 selfloop transitions, 116 changer transitions 16/2175 dead transitions. [2021-03-25 12:12:28,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 2175 transitions, 75600 flow [2021-03-25 12:12:28,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:12:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:12:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 269 transitions. [2021-03-25 12:12:28,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27448979591836736 [2021-03-25 12:12:28,071 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 269 transitions. [2021-03-25 12:12:28,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 269 transitions. [2021-03-25 12:12:28,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:12:28,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 269 transitions. [2021-03-25 12:12:28,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.214285714285715) internal successors, (269), 14 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) [2021-03-25 12:12:28,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 70.0) internal successors, (1050), 15 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:28,072 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 70.0) internal successors, (1050), 15 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:28,072 INFO L185 Difference]: Start difference. First operand has 658 places, 2133 transitions, 69693 flow. Second operand 14 states and 269 transitions. [2021-03-25 12:12:28,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 2175 transitions, 75600 flow [2021-03-25 12:12:33,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 2175 transitions, 75341 flow, removed 84 selfloop flow, removed 5 redundant places. [2021-03-25 12:12:33,241 INFO L241 Difference]: Finished difference. Result has 670 places, 2151 transitions, 70547 flow [2021-03-25 12:12:33,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=69434, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2019, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=70547, PETRI_PLACES=670, PETRI_TRANSITIONS=2151} [2021-03-25 12:12:33,243 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 649 predicate places. [2021-03-25 12:12:33,243 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:12:33,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 2151 transitions, 70547 flow [2021-03-25 12:12:33,243 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 2151 transitions, 70547 flow [2021-03-25 12:12:33,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 2151 transitions, 70547 flow [2021-03-25 12:12:35,528 INFO L129 PetriNetUnfolder]: 2235/5775 cut-off events. [2021-03-25 12:12:35,528 INFO L130 PetriNetUnfolder]: For 453060/453501 co-relation queries the response was YES. [2021-03-25 12:12:35,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82315 conditions, 5775 events. 2235/5775 cut-off events. For 453060/453501 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 60532 event pairs, 14 based on Foata normal form. 52/5816 useless extension candidates. Maximal degree in co-relation 81788. Up to 1551 conditions per place. [2021-03-25 12:12:35,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-25 12:12:36,245 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:12:36,245 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:12:36,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3002 [2021-03-25 12:12:36,245 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 2151 transitions, 70547 flow [2021-03-25 12:12:36,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 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) [2021-03-25 12:12:36,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:12:36,245 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:12:36,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:12:36,446 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:12:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:12:36,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1090523612, now seen corresponding path program 3 times [2021-03-25 12:12:36,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:12:36,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893900186] [2021-03-25 12:12:36,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:12:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:12:36,453 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:12:36,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,457 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:12:36,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:36,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:36,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:36,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893900186] [2021-03-25 12:12:36,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681400492] [2021-03-25 12:12:36,482 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 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 [2021-03-25 12:12:36,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:12:36,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:12:36,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:12:36,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:12:36,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:36,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:36,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:36,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:12:36,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:36,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 12:12:36,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:36,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:12:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:12:36,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:36,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:12:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:12:36,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:36,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:36,571 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:12:36,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:36,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:36,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:12:36,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:12:36,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599124811] [2021-03-25 12:12:36,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:12:36,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:12:36,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:12:36,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:12:36,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 12:12:36,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 2151 transitions, 70547 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) [2021-03-25 12:12:36,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:12:36,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 12:12:36,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:12:42,237 INFO L129 PetriNetUnfolder]: 2950/7058 cut-off events. [2021-03-25 12:12:42,237 INFO L130 PetriNetUnfolder]: For 598093/598264 co-relation queries the response was YES. [2021-03-25 12:12:42,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107211 conditions, 7058 events. 2950/7058 cut-off events. For 598093/598264 co-relation queries the response was YES. Maximal size of possible extension queue 763. Compared 71601 event pairs, 32 based on Foata normal form. 153/7207 useless extension candidates. Maximal degree in co-relation 106670. Up to 1886 conditions per place. [2021-03-25 12:12:42,548 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1341 selfloop transitions, 1206 changer transitions 14/2568 dead transitions. [2021-03-25 12:12:42,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 2568 transitions, 89007 flow [2021-03-25 12:12:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 12:12:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 12:12:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 418 transitions. [2021-03-25 12:12:42,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3142857142857143 [2021-03-25 12:12:42,549 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 418 transitions. [2021-03-25 12:12:42,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 418 transitions. [2021-03-25 12:12:42,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:12:42,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 418 transitions. [2021-03-25 12:12:42,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 22.0) internal successors, (418), 19 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:42,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 70.0) internal successors, (1400), 20 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:42,551 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 70.0) internal successors, (1400), 20 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:42,551 INFO L185 Difference]: Start difference. First operand has 670 places, 2151 transitions, 70547 flow. Second operand 19 states and 418 transitions. [2021-03-25 12:12:42,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 2568 transitions, 89007 flow [2021-03-25 12:12:48,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 2568 transitions, 88864 flow, removed 45 selfloop flow, removed 10 redundant places. [2021-03-25 12:12:48,323 INFO L241 Difference]: Finished difference. Result has 690 places, 2390 transitions, 82723 flow [2021-03-25 12:12:48,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=70160, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=978, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1069, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=82723, PETRI_PLACES=690, PETRI_TRANSITIONS=2390} [2021-03-25 12:12:48,325 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 669 predicate places. [2021-03-25 12:12:48,325 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:12:48,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 2390 transitions, 82723 flow [2021-03-25 12:12:48,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 2390 transitions, 82723 flow [2021-03-25 12:12:48,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 2390 transitions, 82723 flow [2021-03-25 12:12:51,246 INFO L129 PetriNetUnfolder]: 2432/6431 cut-off events. [2021-03-25 12:12:51,246 INFO L130 PetriNetUnfolder]: For 544007/544466 co-relation queries the response was YES. [2021-03-25 12:12:51,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94599 conditions, 6431 events. 2432/6431 cut-off events. For 544007/544466 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 69395 event pairs, 7 based on Foata normal form. 57/6469 useless extension candidates. Maximal degree in co-relation 94054. Up to 1711 conditions per place. [2021-03-25 12:12:51,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 2862 [2021-03-25 12:12:52,122 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:12:52,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:12:52,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3797 [2021-03-25 12:12:52,122 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 2390 transitions, 82723 flow [2021-03-25 12:12:52,122 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) [2021-03-25 12:12:52,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:12:52,123 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:12:52,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2021-03-25 12:12:52,323 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:12:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:12:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash -721451386, now seen corresponding path program 4 times [2021-03-25 12:12:52,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:12:52,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038919561] [2021-03-25 12:12:52,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:12:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:12:52,329 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:12:52,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:12:52,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:52,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038919561] [2021-03-25 12:12:52,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828227628] [2021-03-25 12:12:52,358 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 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:12:52,382 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:12:52,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:12:52,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:12:52,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:12:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:12:52,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:12:52,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:52,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:52,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:12:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:12:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:12:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:52,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:12:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:12:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:12:52,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:12:52,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:12:52,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:12:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:12:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:12:52,437 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:12:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:12:52,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:12:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:12:52,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:12:52,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:12:52,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810433074] [2021-03-25 12:12:52,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:12:52,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:12:52,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:12:52,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:12:52,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 12:12:52,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 2390 transitions, 82723 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) [2021-03-25 12:12:52,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:12:52,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 12:12:52,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:12:52,648 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2021-03-25 12:13:02,566 INFO L129 PetriNetUnfolder]: 4152/9326 cut-off events. [2021-03-25 12:13:02,567 INFO L130 PetriNetUnfolder]: For 867403/867801 co-relation queries the response was YES. [2021-03-25 12:13:02,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147051 conditions, 9326 events. 4152/9326 cut-off events. For 867403/867801 co-relation queries the response was YES. Maximal size of possible extension queue 909. Compared 93430 event pairs, 206 based on Foata normal form. 269/9591 useless extension candidates. Maximal degree in co-relation 146492. Up to 3453 conditions per place. [2021-03-25 12:13:02,791 INFO L132 encePairwiseOnDemand]: 47/70 looper letters, 1742 selfloop transitions, 1583 changer transitions 1/3333 dead transitions. [2021-03-25 12:13:02,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 711 places, 3333 transitions, 117680 flow [2021-03-25 12:13:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 12:13:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 12:13:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 492 transitions. [2021-03-25 12:13:02,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3194805194805195 [2021-03-25 12:13:02,792 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 492 transitions. [2021-03-25 12:13:02,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 492 transitions. [2021-03-25 12:13:02,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:13:02,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 492 transitions. [2021-03-25 12:13:02,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 22.363636363636363) internal successors, (492), 22 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:13:02,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:13:02,794 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:13:02,794 INFO L185 Difference]: Start difference. First operand has 690 places, 2390 transitions, 82723 flow. Second operand 22 states and 492 transitions. [2021-03-25 12:13:02,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 711 places, 3333 transitions, 117680 flow [2021-03-25 12:13:13,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 3333 transitions, 111302 flow, removed 3180 selfloop flow, removed 2 redundant places. [2021-03-25 12:13:13,639 INFO L241 Difference]: Finished difference. Result has 723 places, 3120 transitions, 104452 flow [2021-03-25 12:13:13,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=79943, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=894, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=104452, PETRI_PLACES=723, PETRI_TRANSITIONS=3120} [2021-03-25 12:13:13,642 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 702 predicate places. [2021-03-25 12:13:13,642 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:13:13,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 723 places, 3120 transitions, 104452 flow [2021-03-25 12:13:13,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 723 places, 3120 transitions, 104452 flow [2021-03-25 12:13:13,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 3120 transitions, 104452 flow [2021-03-25 12:13:18,165 INFO L129 PetriNetUnfolder]: 3344/8248 cut-off events. [2021-03-25 12:13:18,166 INFO L130 PetriNetUnfolder]: For 662187/662788 co-relation queries the response was YES. [2021-03-25 12:13:18,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121322 conditions, 8248 events. 3344/8248 cut-off events. For 662187/662788 co-relation queries the response was YES. Maximal size of possible extension queue 880. Compared 88102 event pairs, 12 based on Foata normal form. 138/8351 useless extension candidates. Maximal degree in co-relation 120749. Up to 2433 conditions per place. [2021-03-25 12:13:18,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 3060 [2021-03-25 12:13:19,481 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:13:19,481 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:13:19,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5839 [2021-03-25 12:13:19,481 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 3120 transitions, 104452 flow [2021-03-25 12:13:19,481 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) [2021-03-25 12:13:19,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:13:19,481 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:13:19,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:13:19,682 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:13:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:13:19,682 INFO L82 PathProgramCache]: Analyzing trace with hash 981588787, now seen corresponding path program 1 times [2021-03-25 12:13:19,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:13:19,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902416103] [2021-03-25 12:13:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:13:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:13:19,687 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:13:19,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:13:19,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:13:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:13:19,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902416103] [2021-03-25 12:13:19,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038578965] [2021-03-25 12:13:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:13:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:13:19,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:13:19,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:13:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:19,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:19,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:19,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:19,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:13:19,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:13:19,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:19,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:19,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:19,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:19,811 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:13:19,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:19,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:13:19,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:13:19,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 12:13:19,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065209721] [2021-03-25 12:13:19,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:13:19,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:13:19,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:13:19,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:13:19,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 12:13:19,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 3120 transitions, 104452 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) [2021-03-25 12:13:19,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:13:19,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 12:13:19,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:13:30,920 INFO L129 PetriNetUnfolder]: 4204/9497 cut-off events. [2021-03-25 12:13:30,920 INFO L130 PetriNetUnfolder]: For 764986/765213 co-relation queries the response was YES. [2021-03-25 12:13:31,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146272 conditions, 9497 events. 4204/9497 cut-off events. For 764986/765213 co-relation queries the response was YES. Maximal size of possible extension queue 969. Compared 96263 event pairs, 318 based on Foata normal form. 123/9616 useless extension candidates. Maximal degree in co-relation 145683. Up to 7065 conditions per place. [2021-03-25 12:13:31,150 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 2901 selfloop transitions, 304 changer transitions 0/3212 dead transitions. [2021-03-25 12:13:31,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 3212 transitions, 114721 flow [2021-03-25 12:13:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 12:13:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 12:13:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 249 transitions. [2021-03-25 12:13:31,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3233766233766234 [2021-03-25 12:13:31,151 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 249 transitions. [2021-03-25 12:13:31,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 249 transitions. [2021-03-25 12:13:31,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:13:31,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 249 transitions. [2021-03-25 12:13:31,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 22.636363636363637) internal successors, (249), 11 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) [2021-03-25 12:13:31,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 70.0) internal successors, (840), 12 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) [2021-03-25 12:13:31,152 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 70.0) internal successors, (840), 12 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) [2021-03-25 12:13:31,152 INFO L185 Difference]: Start difference. First operand has 723 places, 3120 transitions, 104452 flow. Second operand 11 states and 249 transitions. [2021-03-25 12:13:31,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 3212 transitions, 114721 flow [2021-03-25 12:13:42,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 3212 transitions, 111552 flow, removed 1565 selfloop flow, removed 2 redundant places. [2021-03-25 12:13:42,131 INFO L241 Difference]: Finished difference. Result has 734 places, 3166 transitions, 104472 flow [2021-03-25 12:13:42,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=101283, PETRI_DIFFERENCE_MINUEND_PLACES=721, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=104472, PETRI_PLACES=734, PETRI_TRANSITIONS=3166} [2021-03-25 12:13:42,133 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 713 predicate places. [2021-03-25 12:13:42,133 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:13:42,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 734 places, 3166 transitions, 104472 flow [2021-03-25 12:13:42,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 734 places, 3166 transitions, 104472 flow [2021-03-25 12:13:42,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 3166 transitions, 104472 flow [2021-03-25 12:13:47,391 INFO L129 PetriNetUnfolder]: 3408/8411 cut-off events. [2021-03-25 12:13:47,391 INFO L130 PetriNetUnfolder]: For 649379/649897 co-relation queries the response was YES. [2021-03-25 12:13:47,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119237 conditions, 8411 events. 3408/8411 cut-off events. For 649379/649897 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 90118 event pairs, 11 based on Foata normal form. 125/8499 useless extension candidates. Maximal degree in co-relation 118660. Up to 1911 conditions per place. [2021-03-25 12:13:47,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 3156 [2021-03-25 12:13:48,722 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:13:48,722 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:13:48,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6589 [2021-03-25 12:13:48,722 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 3166 transitions, 104472 flow [2021-03-25 12:13:48,722 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) [2021-03-25 12:13:48,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:13:48,723 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:13:48,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:13:48,923 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:13:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:13:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash -767411414, now seen corresponding path program 5 times [2021-03-25 12:13:48,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:13:48,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333015456] [2021-03-25 12:13:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:13:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:13:48,929 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:13:48,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:13:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:48,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:48,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:48,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:13:48,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333015456] [2021-03-25 12:13:48,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881132278] [2021-03-25 12:13:48,960 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 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 [2021-03-25 12:13:48,980 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 12:13:48,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:13:48,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 12:13:48,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:13:48,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:13:48,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:48,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:48,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:48,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:48,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:48,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:13:48,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:48,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:48,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-25 12:13:49,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:13:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:13:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:13:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:13:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:13:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:49,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:49,186 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 12:13:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:13:49,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:13:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:49,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:13:49,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:49,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:49,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:13:49,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:13:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:13:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:13:49,193 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:13:49,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:13:49,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:13:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:13:49,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:13:49,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 12:13:49,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381131207] [2021-03-25 12:13:49,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:13:49,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:13:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:13:49,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:13:49,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 12:13:49,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 3166 transitions, 104472 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) [2021-03-25 12:13:49,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:13:49,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 12:13:49,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:14:01,205 INFO L129 PetriNetUnfolder]: 4212/9567 cut-off events. [2021-03-25 12:14:01,205 INFO L130 PetriNetUnfolder]: For 725148/725284 co-relation queries the response was YES. [2021-03-25 12:14:01,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141441 conditions, 9567 events. 4212/9567 cut-off events. For 725148/725284 co-relation queries the response was YES. Maximal size of possible extension queue 981. Compared 97317 event pairs, 270 based on Foata normal form. 40/9603 useless extension candidates. Maximal degree in co-relation 140848. Up to 4607 conditions per place. [2021-03-25 12:14:01,436 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 2392 selfloop transitions, 847 changer transitions 13/3259 dead transitions. [2021-03-25 12:14:01,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 755 places, 3259 transitions, 114586 flow [2021-03-25 12:14:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 12:14:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 12:14:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 453 transitions. [2021-03-25 12:14:01,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29415584415584417 [2021-03-25 12:14:01,437 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 453 transitions. [2021-03-25 12:14:01,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 453 transitions. [2021-03-25 12:14:01,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:14:01,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 453 transitions. [2021-03-25 12:14:01,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 20.59090909090909) internal successors, (453), 22 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:01,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:01,439 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:01,439 INFO L185 Difference]: Start difference. First operand has 734 places, 3166 transitions, 104472 flow. Second operand 22 states and 453 transitions. [2021-03-25 12:14:01,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 755 places, 3259 transitions, 114586 flow [2021-03-25 12:14:11,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 750 places, 3259 transitions, 114106 flow, removed 100 selfloop flow, removed 5 redundant places. [2021-03-25 12:14:11,422 INFO L241 Difference]: Finished difference. Result has 756 places, 3194 transitions, 108299 flow [2021-03-25 12:14:11,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=103832, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=817, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=108299, PETRI_PLACES=756, PETRI_TRANSITIONS=3194} [2021-03-25 12:14:11,423 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 735 predicate places. [2021-03-25 12:14:11,423 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:14:11,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 756 places, 3194 transitions, 108299 flow [2021-03-25 12:14:11,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 756 places, 3194 transitions, 108299 flow [2021-03-25 12:14:11,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 756 places, 3194 transitions, 108299 flow [2021-03-25 12:14:16,053 INFO L129 PetriNetUnfolder]: 3433/8572 cut-off events. [2021-03-25 12:14:16,053 INFO L130 PetriNetUnfolder]: For 705875/706352 co-relation queries the response was YES. [2021-03-25 12:14:16,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123603 conditions, 8572 events. 3433/8572 cut-off events. For 705875/706352 co-relation queries the response was YES. Maximal size of possible extension queue 926. Compared 92917 event pairs, 10 based on Foata normal form. 105/8644 useless extension candidates. Maximal degree in co-relation 123015. Up to 1923 conditions per place. [2021-03-25 12:14:16,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 3172 [2021-03-25 12:14:17,526 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:14:17,526 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:14:17,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6103 [2021-03-25 12:14:17,526 INFO L480 AbstractCegarLoop]: Abstraction has has 756 places, 3194 transitions, 108299 flow [2021-03-25 12:14:17,526 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) [2021-03-25 12:14:17,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:14:17,526 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:14:17,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:14:17,728 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:14:17,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:14:17,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1645540490, now seen corresponding path program 10 times [2021-03-25 12:14:17,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:14:17,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17521950] [2021-03-25 12:14:17,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:14:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:14:17,741 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 12:14:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:14:17,752 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 12:14:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 12:14:17,797 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 12:14:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 12:14:17,839 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 12:14:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:14:17,853 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-03-25 12:14:17,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:14:17,867 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 12:14:17,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:14:17,878 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:14:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:14:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17521950] [2021-03-25 12:14:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094886175] [2021-03-25 12:14:17,888 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 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:14:17,906 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:14:17,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:14:17,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 12:14:17,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:14:17,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:14:17,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:14:17,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:14:17,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 12:14:17,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:14:17,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:14:17,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:14:17,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:14:17,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 12:14:17,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,939 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size 41 [2021-03-25 12:14:17,939 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-03-25 12:14:17,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:14:17,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:14:17,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 12:14:17,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,956 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-25 12:14:17,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 12:14:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 12:14:17,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 12:14:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:14:17,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:14:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:14:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:14:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:14:17,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:14:17,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:14:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:14:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:14:17,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,991 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 20 treesize of output 20 [2021-03-25 12:14:17,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,991 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 12:14:17,992 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 12:14:17,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:14:17,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:14:17,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,000 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:14:18,000 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:18,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,001 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 12:14:18,001 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 12:14:18,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:14:18,002 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:21 [2021-03-25 12:14:18,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 12:14:18,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:14:18,019 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 12:14:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:14:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:14:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:14:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,022 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 12:14:18,022 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:18,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 12:14:18,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:18,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:18,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:14:18,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:14:18,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 12:14:18,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941326669] [2021-03-25 12:14:18,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:14:18,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:14:18,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:14:18,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:14:18,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 70 [2021-03-25 12:14:18,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 3194 transitions, 108299 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) [2021-03-25 12:14:18,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:14:18,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 70 [2021-03-25 12:14:18,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:14:18,234 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2021-03-25 12:14:31,004 INFO L129 PetriNetUnfolder]: 4248/9593 cut-off events. [2021-03-25 12:14:31,004 INFO L130 PetriNetUnfolder]: For 780943/781151 co-relation queries the response was YES. [2021-03-25 12:14:31,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145257 conditions, 9593 events. 4248/9593 cut-off events. For 780943/781151 co-relation queries the response was YES. Maximal size of possible extension queue 975. Compared 97220 event pairs, 269 based on Foata normal form. 105/9694 useless extension candidates. Maximal degree in co-relation 144654. Up to 7858 conditions per place. [2021-03-25 12:14:31,236 INFO L132 encePairwiseOnDemand]: 46/70 looper letters, 3091 selfloop transitions, 151 changer transitions 11/3259 dead transitions. [2021-03-25 12:14:31,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 767 places, 3259 transitions, 116909 flow [2021-03-25 12:14:31,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:14:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:14:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 248 transitions. [2021-03-25 12:14:31,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29523809523809524 [2021-03-25 12:14:31,237 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 248 transitions. [2021-03-25 12:14:31,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 248 transitions. [2021-03-25 12:14:31,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:14:31,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 248 transitions. [2021-03-25 12:14:31,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.666666666666668) internal successors, (248), 12 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:31,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 70.0) internal successors, (910), 13 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:31,238 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 70.0) internal successors, (910), 13 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:31,238 INFO L185 Difference]: Start difference. First operand has 756 places, 3194 transitions, 108299 flow. Second operand 12 states and 248 transitions. [2021-03-25 12:14:31,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 767 places, 3259 transitions, 116909 flow [2021-03-25 12:14:41,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 753 places, 3259 transitions, 116256 flow, removed 122 selfloop flow, removed 14 redundant places. [2021-03-25 12:14:41,857 INFO L241 Difference]: Finished difference. Result has 758 places, 3231 transitions, 109480 flow [2021-03-25 12:14:41,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=107680, PETRI_DIFFERENCE_MINUEND_PLACES=742, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=109480, PETRI_PLACES=758, PETRI_TRANSITIONS=3231} [2021-03-25 12:14:41,859 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 737 predicate places. [2021-03-25 12:14:41,859 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:14:41,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 3231 transitions, 109480 flow [2021-03-25 12:14:41,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 3231 transitions, 109480 flow [2021-03-25 12:14:41,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 757 places, 3231 transitions, 109480 flow [2021-03-25 12:14:46,513 INFO L129 PetriNetUnfolder]: 3460/8613 cut-off events. [2021-03-25 12:14:46,513 INFO L130 PetriNetUnfolder]: For 720652/721121 co-relation queries the response was YES. [2021-03-25 12:14:46,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125282 conditions, 8613 events. 3460/8613 cut-off events. For 720652/721121 co-relation queries the response was YES. Maximal size of possible extension queue 928. Compared 93166 event pairs, 11 based on Foata normal form. 97/8675 useless extension candidates. Maximal degree in co-relation 124685. Up to 1920 conditions per place. [2021-03-25 12:14:46,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 3204 [2021-03-25 12:14:49,771 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:14:49,772 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 12:14:49,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7913 [2021-03-25 12:14:49,772 INFO L480 AbstractCegarLoop]: Abstraction has has 757 places, 3231 transitions, 109603 flow [2021-03-25 12:14:49,772 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) [2021-03-25 12:14:49,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:14:49,772 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:14:49,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-03-25 12:14:49,973 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:14:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:14:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash 161912532, now seen corresponding path program 6 times [2021-03-25 12:14:49,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:14:49,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69604344] [2021-03-25 12:14:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:14:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:14:49,977 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:14:49,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:49,981 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:14:49,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:49,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:49,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:49,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:49,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:50,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:14:50,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69604344] [2021-03-25 12:14:50,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739766632] [2021-03-25 12:14:50,012 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 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 [2021-03-25 12:14:50,033 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 12:14:50,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:14:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:14:50,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:14:50,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:50,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:50,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:50,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:14:50,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:14:50,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:14:50,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:14:50,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:14:50,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:14:50,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:50,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:14:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:14:50,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:50,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:50,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:14:50,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:14:50,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:14:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:14:50,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:50,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:14:50,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:14:50,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:14:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:14:50,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:14:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:14:50,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:14:50,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 12:14:50,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67960224] [2021-03-25 12:14:50,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:14:50,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:14:50,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:14:50,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:14:50,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 73 [2021-03-25 12:14:50,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 757 places, 3231 transitions, 109603 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:14:50,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:14:50,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 73 [2021-03-25 12:14:50,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:15:04,797 INFO L129 PetriNetUnfolder]: 4673/10266 cut-off events. [2021-03-25 12:15:04,798 INFO L130 PetriNetUnfolder]: For 875340/875476 co-relation queries the response was YES. [2021-03-25 12:15:04,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157062 conditions, 10266 events. 4673/10266 cut-off events. For 875340/875476 co-relation queries the response was YES. Maximal size of possible extension queue 1024. Compared 102634 event pairs, 300 based on Foata normal form. 105/10366 useless extension candidates. Maximal degree in co-relation 156451. Up to 3028 conditions per place. [2021-03-25 12:15:05,063 INFO L132 encePairwiseOnDemand]: 49/73 looper letters, 1645 selfloop transitions, 1935 changer transitions 1/3589 dead transitions. [2021-03-25 12:15:05,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 3589 transitions, 127303 flow [2021-03-25 12:15:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:15:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:15:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 326 transitions. [2021-03-25 12:15:05,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31898238747553814 [2021-03-25 12:15:05,064 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 326 transitions. [2021-03-25 12:15:05,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 326 transitions. [2021-03-25 12:15:05,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:15:05,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 326 transitions. [2021-03-25 12:15:05,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 23.285714285714285) internal successors, (326), 14 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:05,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:05,065 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:05,065 INFO L185 Difference]: Start difference. First operand has 757 places, 3231 transitions, 109603 flow. Second operand 14 states and 326 transitions. [2021-03-25 12:15:05,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 3589 transitions, 127303 flow [2021-03-25 12:15:16,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 3589 transitions, 127062 flow, removed 90 selfloop flow, removed 6 redundant places. [2021-03-25 12:15:17,050 INFO L241 Difference]: Finished difference. Result has 770 places, 3470 transitions, 121492 flow [2021-03-25 12:15:17,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=109314, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=121492, PETRI_PLACES=770, PETRI_TRANSITIONS=3470} [2021-03-25 12:15:17,051 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 749 predicate places. [2021-03-25 12:15:17,052 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:15:17,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 3470 transitions, 121492 flow [2021-03-25 12:15:17,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 3470 transitions, 121492 flow [2021-03-25 12:15:17,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 3470 transitions, 121492 flow [2021-03-25 12:15:22,721 INFO L129 PetriNetUnfolder]: 3753/9111 cut-off events. [2021-03-25 12:15:22,721 INFO L130 PetriNetUnfolder]: For 791984/792708 co-relation queries the response was YES. [2021-03-25 12:15:22,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136262 conditions, 9111 events. 3753/9111 cut-off events. For 791984/792708 co-relation queries the response was YES. Maximal size of possible extension queue 983. Compared 97306 event pairs, 16 based on Foata normal form. 186/9264 useless extension candidates. Maximal degree in co-relation 135653. Up to 2160 conditions per place. [2021-03-25 12:15:23,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 3214 [2021-03-25 12:15:24,512 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:15:24,512 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:15:24,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7460 [2021-03-25 12:15:24,512 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 3470 transitions, 121492 flow [2021-03-25 12:15:24,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:24,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:15:24,512 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:15:24,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:15:24,713 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:15:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:15:24,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1992417680, now seen corresponding path program 11 times [2021-03-25 12:15:24,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:15:24,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046678438] [2021-03-25 12:15:24,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:15:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:15:24,734 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 12:15:24,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:15:24,745 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 12:15:24,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 12:15:24,801 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 12:15:24,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 12:15:24,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 12:15:24,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 12:15:24,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 12:15:24,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:15:24,887 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 12:15:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:15:24,901 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:15:24,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:15:24,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046678438] [2021-03-25 12:15:24,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578371201] [2021-03-25 12:15:24,913 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 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:15:24,942 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:15:24,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:15:24,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:15:24,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:15:24,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:15:24,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:15:24,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,970 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 12:15:24,970 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 12:15:24,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:15:24,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:15:24,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:15:24,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:15:24,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:15:24,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:15:24,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:24,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 12:15:25,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,019 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 12:15:25,020 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size [2021-03-25 12:15:25,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:15:25,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,045 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-25 12:15:25,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 12:15:25,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:25,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:15:25,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:15:25,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:25,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:15:25,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:15:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:15:25,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,057 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 20 treesize of output 20 [2021-03-25 12:15:25,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,058 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 12:15:25,058 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 12:15:25,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:15:25,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:15:25,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:15:25,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:15:25,067 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:17 [2021-03-25 12:15:25,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:15:25,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:15:25,085 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 12:15:25,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:15:25,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:25,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:15:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:15:25,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,087 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:15:25,088 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:25,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:15:25,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:15:25,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:15:25,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:15:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:15:25,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:15:25,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:15:25,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375525398] [2021-03-25 12:15:25,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:15:25,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:15:25,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:15:25,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:15:25,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 73 [2021-03-25 12:15:25,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 3470 transitions, 121492 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) [2021-03-25 12:15:25,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:15:25,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 73 [2021-03-25 12:15:25,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:15:41,816 INFO L129 PetriNetUnfolder]: 4675/10359 cut-off events. [2021-03-25 12:15:41,817 INFO L130 PetriNetUnfolder]: For 873534/873734 co-relation queries the response was YES. [2021-03-25 12:15:42,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161454 conditions, 10359 events. 4675/10359 cut-off events. For 873534/873734 co-relation queries the response was YES. Maximal size of possible extension queue 990. Compared 103968 event pairs, 327 based on Foata normal form. 105/10460 useless extension candidates. Maximal degree in co-relation 160830. Up to 8613 conditions per place. [2021-03-25 12:15:42,089 INFO L132 encePairwiseOnDemand]: 46/73 looper letters, 3367 selfloop transitions, 104 changer transitions 8/3485 dead transitions. [2021-03-25 12:15:42,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 3485 transitions, 128821 flow [2021-03-25 12:15:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 12:15:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 12:15:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 302 transitions. [2021-03-25 12:15:42,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27579908675799086 [2021-03-25 12:15:42,090 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 302 transitions. [2021-03-25 12:15:42,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 302 transitions. [2021-03-25 12:15:42,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:15:42,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 302 transitions. [2021-03-25 12:15:42,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.133333333333333) internal successors, (302), 15 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) [2021-03-25 12:15:42,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 73.0) internal successors, (1168), 16 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:42,091 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 73.0) internal successors, (1168), 16 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:42,091 INFO L185 Difference]: Start difference. First operand has 770 places, 3470 transitions, 121492 flow. Second operand 15 states and 302 transitions. [2021-03-25 12:15:42,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 3485 transitions, 128821 flow [2021-03-25 12:15:54,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 776 places, 3485 transitions, 127246 flow, removed 322 selfloop flow, removed 8 redundant places. [2021-03-25 12:15:54,706 INFO L241 Difference]: Finished difference. Result has 780 places, 3471 transitions, 120166 flow [2021-03-25 12:15:54,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=119911, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=120166, PETRI_PLACES=780, PETRI_TRANSITIONS=3471} [2021-03-25 12:15:54,708 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 759 predicate places. [2021-03-25 12:15:54,708 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:15:54,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 780 places, 3471 transitions, 120166 flow [2021-03-25 12:15:54,709 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 780 places, 3471 transitions, 120166 flow [2021-03-25 12:15:54,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 780 places, 3471 transitions, 120166 flow [2021-03-25 12:16:00,173 INFO L129 PetriNetUnfolder]: 3745/9054 cut-off events. [2021-03-25 12:16:00,174 INFO L130 PetriNetUnfolder]: For 770645/771417 co-relation queries the response was YES. [2021-03-25 12:16:00,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134184 conditions, 9054 events. 3745/9054 cut-off events. For 770645/771417 co-relation queries the response was YES. Maximal size of possible extension queue 991. Compared 96409 event pairs, 17 based on Foata normal form. 198/9217 useless extension candidates. Maximal degree in co-relation 133577. Up to 2131 conditions per place. [2021-03-25 12:16:00,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 3206 [2021-03-25 12:16:03,539 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 12:16:03,539 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 12:16:03,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8831 [2021-03-25 12:16:03,539 INFO L480 AbstractCegarLoop]: Abstraction has has 780 places, 3471 transitions, 120220 flow [2021-03-25 12:16:03,539 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) [2021-03-25 12:16:03,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:16:03,539 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:16:03,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-25 12:16:03,740 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:16:03,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:16:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash -388957804, now seen corresponding path program 1 times [2021-03-25 12:16:03,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:16:03,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173758985] [2021-03-25 12:16:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:16:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:16:03,744 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:16:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:03,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:03,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:16:03,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173758985] [2021-03-25 12:16:03,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252291679] [2021-03-25 12:16:03,775 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-25 12:16:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:16:03,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:16:03,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:16:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:03,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:03,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:03,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:03,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:03,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:16:03,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:16:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:16:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:16:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:16:03,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:03,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:03,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:16:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:03,855 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:16:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:16:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:16:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 12:16:03,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282902141] [2021-03-25 12:16:03,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:16:03,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:16:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:16:03,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:16:03,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:16:03,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 3471 transitions, 120220 flow. Second operand has 12 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-25 12:16:03,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:16:03,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:16:03,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:16:04,125 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2021-03-25 12:16:19,133 INFO L129 PetriNetUnfolder]: 4734/10516 cut-off events. [2021-03-25 12:16:19,133 INFO L130 PetriNetUnfolder]: For 870655/870791 co-relation queries the response was YES. [2021-03-25 12:16:19,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162414 conditions, 10516 events. 4734/10516 cut-off events. For 870655/870791 co-relation queries the response was YES. Maximal size of possible extension queue 1021. Compared 105989 event pairs, 389 based on Foata normal form. 73/10585 useless extension candidates. Maximal degree in co-relation 161793. Up to 7854 conditions per place. [2021-03-25 12:16:19,403 INFO L132 encePairwiseOnDemand]: 49/75 looper letters, 3191 selfloop transitions, 404 changer transitions 0/3602 dead transitions. [2021-03-25 12:16:19,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 3602 transitions, 132765 flow [2021-03-25 12:16:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 12:16:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 12:16:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 294 transitions. [2021-03-25 12:16:19,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30153846153846153 [2021-03-25 12:16:19,405 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 294 transitions. [2021-03-25 12:16:19,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 294 transitions. [2021-03-25 12:16:19,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:16:19,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 294 transitions. [2021-03-25 12:16:19,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 22.615384615384617) internal successors, (294), 13 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:19,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:19,405 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:19,406 INFO L185 Difference]: Start difference. First operand has 780 places, 3471 transitions, 120220 flow. Second operand 13 states and 294 transitions. [2021-03-25 12:16:19,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 3602 transitions, 132765 flow [2021-03-25 12:16:31,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 782 places, 3602 transitions, 132491 flow, removed 51 selfloop flow, removed 10 redundant places. [2021-03-25 12:16:31,873 INFO L241 Difference]: Finished difference. Result has 787 places, 3550 transitions, 124851 flow [2021-03-25 12:16:31,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=119946, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=325, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3094, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=124851, PETRI_PLACES=787, PETRI_TRANSITIONS=3550} [2021-03-25 12:16:31,874 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 766 predicate places. [2021-03-25 12:16:31,875 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:16:31,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 3550 transitions, 124851 flow [2021-03-25 12:16:31,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 3550 transitions, 124851 flow [2021-03-25 12:16:31,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 3550 transitions, 124851 flow [2021-03-25 12:16:37,629 INFO L129 PetriNetUnfolder]: 3804/9198 cut-off events. [2021-03-25 12:16:37,629 INFO L130 PetriNetUnfolder]: For 791831/792644 co-relation queries the response was YES. [2021-03-25 12:16:37,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137534 conditions, 9198 events. 3804/9198 cut-off events. For 791831/792644 co-relation queries the response was YES. Maximal size of possible extension queue 1032. Compared 98551 event pairs, 17 based on Foata normal form. 203/9363 useless extension candidates. Maximal degree in co-relation 136924. Up to 2154 conditions per place. [2021-03-25 12:16:37,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 3400 [2021-03-25 12:16:39,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:16:39,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:16:39,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7413 [2021-03-25 12:16:39,288 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 3550 transitions, 124851 flow [2021-03-25 12:16:39,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-25 12:16:39,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:16:39,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:16:39,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-03-25 12:16:39,489 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:16:39,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:16:39,489 INFO L82 PathProgramCache]: Analyzing trace with hash 526760010, now seen corresponding path program 2 times [2021-03-25 12:16:39,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:16:39,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479751045] [2021-03-25 12:16:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:16:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:16:39,495 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:16:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:39,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:16:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:16:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:16:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:16:39,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479751045] [2021-03-25 12:16:39,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846499928] [2021-03-25 12:16:39,531 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 [2021-03-25 12:16:39,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:16:39,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:16:39,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:16:39,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:16:39,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:16:39,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:39,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:39,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:39,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:39,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:39,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:16:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:16:39,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:39,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:16:39,659 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:16:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:16:39,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:16:39,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:16:39,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:16:39,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:16:39,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:16:39,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:16:39,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:16:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:16:39,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:16:39,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 12:16:39,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001901288] [2021-03-25 12:16:39,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:16:39,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:16:39,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:16:39,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:16:39,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:16:39,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 3550 transitions, 124851 flow. Second operand has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:39,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:16:39,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:16:39,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:16:53,870 INFO L129 PetriNetUnfolder]: 4924/10956 cut-off events. [2021-03-25 12:16:53,870 INFO L130 PetriNetUnfolder]: For 913682/913818 co-relation queries the response was YES. [2021-03-25 12:16:54,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170505 conditions, 10956 events. 4924/10956 cut-off events. For 913682/913818 co-relation queries the response was YES. Maximal size of possible extension queue 1078. Compared 111537 event pairs, 327 based on Foata normal form. 69/11021 useless extension candidates. Maximal degree in co-relation 169881. Up to 8228 conditions per place. [2021-03-25 12:16:54,364 INFO L132 encePairwiseOnDemand]: 49/75 looper letters, 3353 selfloop transitions, 470 changer transitions 0/3830 dead transitions. [2021-03-25 12:16:54,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 3830 transitions, 142820 flow [2021-03-25 12:16:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:16:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:16:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 278 transitions. [2021-03-25 12:16:54,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3088888888888889 [2021-03-25 12:16:54,365 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 278 transitions. [2021-03-25 12:16:54,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 278 transitions. [2021-03-25 12:16:54,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:16:54,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 278 transitions. [2021-03-25 12:16:54,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 23.166666666666668) internal successors, (278), 12 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) [2021-03-25 12:16:54,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:54,366 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:16:54,366 INFO L185 Difference]: Start difference. First operand has 787 places, 3550 transitions, 124851 flow. Second operand 12 states and 278 transitions. [2021-03-25 12:16:54,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 798 places, 3830 transitions, 142820 flow [2021-03-25 12:17:07,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 3830 transitions, 142315 flow, removed 34 selfloop flow, removed 6 redundant places. [2021-03-25 12:17:07,557 INFO L241 Difference]: Finished difference. Result has 795 places, 3700 transitions, 131829 flow [2021-03-25 12:17:07,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=124386, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3088, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=131829, PETRI_PLACES=795, PETRI_TRANSITIONS=3700} [2021-03-25 12:17:07,559 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 774 predicate places. [2021-03-25 12:17:07,559 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:17:07,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 3700 transitions, 131829 flow [2021-03-25 12:17:07,559 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 3700 transitions, 131829 flow [2021-03-25 12:17:07,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 3700 transitions, 131829 flow [2021-03-25 12:17:13,287 INFO L129 PetriNetUnfolder]: 3992/9671 cut-off events. [2021-03-25 12:17:13,288 INFO L130 PetriNetUnfolder]: For 864527/865583 co-relation queries the response was YES. [2021-03-25 12:17:13,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145487 conditions, 9671 events. 3992/9671 cut-off events. For 864527/865583 co-relation queries the response was YES. Maximal size of possible extension queue 1094. Compared 104397 event pairs, 15 based on Foata normal form. 253/9912 useless extension candidates. Maximal degree in co-relation 144872. Up to 2236 conditions per place. [2021-03-25 12:17:13,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 3664 [2021-03-25 12:17:15,287 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:17:15,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:17:15,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7729 [2021-03-25 12:17:15,288 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 3700 transitions, 131829 flow [2021-03-25 12:17:15,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:15,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:17:15,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:17:15,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-25 12:17:15,488 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:17:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:17:15,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2136626836, now seen corresponding path program 3 times [2021-03-25 12:17:15,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:17:15,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021067571] [2021-03-25 12:17:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:17:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:17:15,493 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:17:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,497 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:17:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:17:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:17:15,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:17:15,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:17:15,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:17:15,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021067571] [2021-03-25 12:17:15,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208573033] [2021-03-25 12:17:15,524 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 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 [2021-03-25 12:17:15,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:17:15,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:17:15,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:17:15,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:17:15,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:15,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:15,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:15,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:15,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:15,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:15,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:15,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:17:15,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:15,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:17:15,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:17:15,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:17:15,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:17:15,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:15,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:17:15,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:17:15,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 12:17:15,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820382629] [2021-03-25 12:17:15,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:17:15,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:17:15,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:17:15,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:17:15,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:17:15,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 3700 transitions, 131829 flow. Second operand has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:15,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:17:15,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:17:15,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:17:31,062 INFO L129 PetriNetUnfolder]: 4916/10896 cut-off events. [2021-03-25 12:17:31,062 INFO L130 PetriNetUnfolder]: For 932713/933268 co-relation queries the response was YES. [2021-03-25 12:17:31,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170615 conditions, 10896 events. 4916/10896 cut-off events. For 932713/933268 co-relation queries the response was YES. Maximal size of possible extension queue 1071. Compared 110494 event pairs, 387 based on Foata normal form. 125/11017 useless extension candidates. Maximal degree in co-relation 169986. Up to 7884 conditions per place. [2021-03-25 12:17:31,347 INFO L132 encePairwiseOnDemand]: 47/75 looper letters, 3174 selfloop transitions, 625 changer transitions 0/3806 dead transitions. [2021-03-25 12:17:31,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 3806 transitions, 143494 flow [2021-03-25 12:17:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:17:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:17:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 278 transitions. [2021-03-25 12:17:31,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3088888888888889 [2021-03-25 12:17:31,348 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 278 transitions. [2021-03-25 12:17:31,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 278 transitions. [2021-03-25 12:17:31,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:17:31,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 278 transitions. [2021-03-25 12:17:31,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 23.166666666666668) internal successors, (278), 12 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) [2021-03-25 12:17:31,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:31,349 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:31,349 INFO L185 Difference]: Start difference. First operand has 795 places, 3700 transitions, 131829 flow. Second operand 12 states and 278 transitions. [2021-03-25 12:17:31,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 3806 transitions, 143494 flow [2021-03-25 12:17:45,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 3806 transitions, 142985 flow, removed 164 selfloop flow, removed 7 redundant places. [2021-03-25 12:17:45,247 INFO L241 Difference]: Finished difference. Result has 801 places, 3721 transitions, 133743 flow [2021-03-25 12:17:45,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=131294, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=602, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3081, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=133743, PETRI_PLACES=801, PETRI_TRANSITIONS=3721} [2021-03-25 12:17:45,249 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 780 predicate places. [2021-03-25 12:17:45,249 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:17:45,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 3721 transitions, 133743 flow [2021-03-25 12:17:45,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 3721 transitions, 133743 flow [2021-03-25 12:17:45,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 3721 transitions, 133743 flow [2021-03-25 12:17:51,171 INFO L129 PetriNetUnfolder]: 3985/9602 cut-off events. [2021-03-25 12:17:51,171 INFO L130 PetriNetUnfolder]: For 864422/865413 co-relation queries the response was YES. [2021-03-25 12:17:51,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145443 conditions, 9602 events. 3985/9602 cut-off events. For 864422/865413 co-relation queries the response was YES. Maximal size of possible extension queue 1064. Compared 103138 event pairs, 14 based on Foata normal form. 254/9839 useless extension candidates. Maximal degree in co-relation 144823. Up to 2229 conditions per place. [2021-03-25 12:17:51,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 3680 [2021-03-25 12:17:52,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:17:52,935 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:17:52,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7686 [2021-03-25 12:17:52,935 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 3721 transitions, 133743 flow [2021-03-25 12:17:52,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:52,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:17:52,935 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:17:53,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:17:53,136 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:17:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:17:53,136 INFO L82 PathProgramCache]: Analyzing trace with hash -905694033, now seen corresponding path program 2 times [2021-03-25 12:17:53,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:17:53,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071449548] [2021-03-25 12:17:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:17:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:17:53,148 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:17:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:17:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:17:53,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:17:53,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:17:53,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:17:53,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:17:53,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071449548] [2021-03-25 12:17:53,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125150476] [2021-03-25 12:17:53,186 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 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 [2021-03-25 12:17:53,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:17:53,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:17:53,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:17:53,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:17:53,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:17:53,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:53,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:17:53,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:17:53,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:17:53,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:17:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:17:53,296 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:17:53,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:17:53,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:17:53,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:17:53,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:17:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:17:53,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:17:53,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:17:53,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:17:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:17:53,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:17:53,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 12:17:53,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988155890] [2021-03-25 12:17:53,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:17:53,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:17:53,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:17:53,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:17:53,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:17:53,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 3721 transitions, 133743 flow. Second operand has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:17:53,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:17:53,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:17:53,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:18:08,726 INFO L129 PetriNetUnfolder]: 5087/11447 cut-off events. [2021-03-25 12:18:08,726 INFO L130 PetriNetUnfolder]: For 1011578/1011710 co-relation queries the response was YES. [2021-03-25 12:18:08,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181435 conditions, 11447 events. 5087/11447 cut-off events. For 1011578/1011710 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 118510 event pairs, 333 based on Foata normal form. 71/11514 useless extension candidates. Maximal degree in co-relation 180801. Up to 8235 conditions per place. [2021-03-25 12:18:09,034 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3403 selfloop transitions, 628 changer transitions 0/4038 dead transitions. [2021-03-25 12:18:09,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 815 places, 4038 transitions, 154216 flow [2021-03-25 12:18:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 12:18:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 12:18:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 344 transitions. [2021-03-25 12:18:09,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30577777777777776 [2021-03-25 12:18:09,035 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 344 transitions. [2021-03-25 12:18:09,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 344 transitions. [2021-03-25 12:18:09,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:18:09,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 344 transitions. [2021-03-25 12:18:09,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 22.933333333333334) internal successors, (344), 15 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:09,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:09,037 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:09,037 INFO L185 Difference]: Start difference. First operand has 801 places, 3721 transitions, 133743 flow. Second operand 15 states and 344 transitions. [2021-03-25 12:18:09,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 815 places, 4038 transitions, 154216 flow [2021-03-25 12:18:23,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 808 places, 4038 transitions, 153535 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-03-25 12:18:23,903 INFO L241 Difference]: Finished difference. Result has 812 places, 3843 transitions, 140075 flow [2021-03-25 12:18:23,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=133082, PETRI_DIFFERENCE_MINUEND_PLACES=794, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=518, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=140075, PETRI_PLACES=812, PETRI_TRANSITIONS=3843} [2021-03-25 12:18:23,905 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 791 predicate places. [2021-03-25 12:18:23,905 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:18:23,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 812 places, 3843 transitions, 140075 flow [2021-03-25 12:18:23,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 812 places, 3843 transitions, 140075 flow [2021-03-25 12:18:23,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 812 places, 3843 transitions, 140075 flow [2021-03-25 12:18:30,055 INFO L129 PetriNetUnfolder]: 4159/10182 cut-off events. [2021-03-25 12:18:30,056 INFO L130 PetriNetUnfolder]: For 968790/969868 co-relation queries the response was YES. [2021-03-25 12:18:30,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156637 conditions, 10182 events. 4159/10182 cut-off events. For 968790/969868 co-relation queries the response was YES. Maximal size of possible extension queue 1171. Compared 111771 event pairs, 15 based on Foata normal form. 253/10420 useless extension candidates. Maximal degree in co-relation 156007. Up to 2334 conditions per place. [2021-03-25 12:18:30,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 3878 [2021-03-25 12:18:32,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:18:32,200 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:18:32,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8295 [2021-03-25 12:18:32,200 INFO L480 AbstractCegarLoop]: Abstraction has has 812 places, 3843 transitions, 140075 flow [2021-03-25 12:18:32,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:32,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:18:32,200 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:18:32,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-25 12:18:32,401 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:18:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:18:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash 662217899, now seen corresponding path program 3 times [2021-03-25 12:18:32,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:18:32,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867875357] [2021-03-25 12:18:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:18:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:18:32,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:18:32,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,414 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:18:32,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:18:32,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:18:32,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:18:32,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867875357] [2021-03-25 12:18:32,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695505828] [2021-03-25 12:18:32,445 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 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 [2021-03-25 12:18:32,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:18:32,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:18:32,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:18:32,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:18:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:18:32,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:18:32,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:18:32,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:18:32,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:18:32,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:18:32,544 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:18:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:18:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:18:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:18:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:18:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:18:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:18:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:18:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:18:32,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:18:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:18:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:18:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:18:32,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:18:32,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 12:18:32,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468867362] [2021-03-25 12:18:32,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:18:32,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:18:32,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:18:32,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:18:32,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:18:32,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 812 places, 3843 transitions, 140075 flow. Second operand has 12 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-25 12:18:32,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:18:32,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:18:32,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:18:50,275 INFO L129 PetriNetUnfolder]: 5088/11440 cut-off events. [2021-03-25 12:18:50,275 INFO L130 PetriNetUnfolder]: For 1054300/1054435 co-relation queries the response was YES. [2021-03-25 12:18:50,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183332 conditions, 11440 events. 5088/11440 cut-off events. For 1054300/1054435 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 118378 event pairs, 389 based on Foata normal form. 66/11502 useless extension candidates. Maximal degree in co-relation 182688. Up to 8356 conditions per place. [2021-03-25 12:18:50,805 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3405 selfloop transitions, 509 changer transitions 0/3921 dead transitions. [2021-03-25 12:18:50,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 827 places, 3921 transitions, 151087 flow [2021-03-25 12:18:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 12:18:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 12:18:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 356 transitions. [2021-03-25 12:18:50,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2966666666666667 [2021-03-25 12:18:50,807 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 356 transitions. [2021-03-25 12:18:50,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 356 transitions. [2021-03-25 12:18:50,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:18:50,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 356 transitions. [2021-03-25 12:18:50,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.25) internal successors, (356), 16 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:50,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 75.0) internal successors, (1275), 17 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:50,808 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 75.0) internal successors, (1275), 17 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:50,808 INFO L185 Difference]: Start difference. First operand has 812 places, 3843 transitions, 140075 flow. Second operand 16 states and 356 transitions. [2021-03-25 12:18:50,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 827 places, 3921 transitions, 151087 flow [2021-03-25 12:19:05,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 3921 transitions, 150129 flow, removed 400 selfloop flow, removed 6 redundant places. [2021-03-25 12:19:05,693 INFO L241 Difference]: Finished difference. Result has 823 places, 3848 transitions, 140810 flow [2021-03-25 12:19:05,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=139151, PETRI_DIFFERENCE_MINUEND_PLACES=806, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3842, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=503, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=140810, PETRI_PLACES=823, PETRI_TRANSITIONS=3848} [2021-03-25 12:19:05,695 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 802 predicate places. [2021-03-25 12:19:05,695 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:19:05,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 3848 transitions, 140810 flow [2021-03-25 12:19:05,696 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 3848 transitions, 140810 flow [2021-03-25 12:19:05,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 823 places, 3848 transitions, 140810 flow [2021-03-25 12:19:12,228 INFO L129 PetriNetUnfolder]: 4163/10173 cut-off events. [2021-03-25 12:19:12,228 INFO L130 PetriNetUnfolder]: For 963505/964557 co-relation queries the response was YES. [2021-03-25 12:19:12,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156761 conditions, 10173 events. 4163/10173 cut-off events. For 963505/964557 co-relation queries the response was YES. Maximal size of possible extension queue 1154. Compared 111599 event pairs, 14 based on Foata normal form. 250/10409 useless extension candidates. Maximal degree in co-relation 156128. Up to 2341 conditions per place. [2021-03-25 12:19:12,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 3890 [2021-03-25 12:19:14,211 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:19:14,212 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:19:14,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8517 [2021-03-25 12:19:14,212 INFO L480 AbstractCegarLoop]: Abstraction has has 823 places, 3848 transitions, 140810 flow [2021-03-25 12:19:14,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-25 12:19:14,212 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:19:14,212 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:19:14,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:19:14,425 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:19:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:19:14,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2074666177, now seen corresponding path program 4 times [2021-03-25 12:19:14,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:19:14,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217721230] [2021-03-25 12:19:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:19:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:19:14,430 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:19:14,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:19:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:19:14,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:19:14,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:19:14,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:19:14,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217721230] [2021-03-25 12:19:14,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187128729] [2021-03-25 12:19:14,460 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 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:19:14,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:19:14,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:19:14,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:19:14,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:19:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:19:14,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:19:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:19:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:19:14,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:19:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:19:14,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:19:14,553 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:19:14,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:14,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:19:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:19:14,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:19:14,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:19:14,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:14,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:14,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:14,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:14,563 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:19:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:19:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:19:14,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:19:14,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 12:19:14,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912712229] [2021-03-25 12:19:14,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:19:14,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:19:14,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:19:14,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:19:14,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:19:14,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 823 places, 3848 transitions, 140810 flow. Second operand has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:19:14,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:19:14,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:19:14,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:19:14,888 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-03-25 12:19:32,531 INFO L129 PetriNetUnfolder]: 5077/11348 cut-off events. [2021-03-25 12:19:32,532 INFO L130 PetriNetUnfolder]: For 1039048/1039186 co-relation queries the response was YES. [2021-03-25 12:19:32,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182222 conditions, 11348 events. 5077/11348 cut-off events. For 1039048/1039186 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 117332 event pairs, 399 based on Foata normal form. 71/11415 useless extension candidates. Maximal degree in co-relation 181575. Up to 7896 conditions per place. [2021-03-25 12:19:32,857 INFO L132 encePairwiseOnDemand]: 46/75 looper letters, 3226 selfloop transitions, 788 changer transitions 0/4021 dead transitions. [2021-03-25 12:19:32,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 837 places, 4021 transitions, 156055 flow [2021-03-25 12:19:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 12:19:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 12:19:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 346 transitions. [2021-03-25 12:19:32,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3075555555555556 [2021-03-25 12:19:32,864 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 346 transitions. [2021-03-25 12:19:32,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 346 transitions. [2021-03-25 12:19:32,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:19:32,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 346 transitions. [2021-03-25 12:19:32,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 23.066666666666666) internal successors, (346), 15 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) [2021-03-25 12:19:32,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:19:32,866 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:19:32,866 INFO L185 Difference]: Start difference. First operand has 823 places, 3848 transitions, 140810 flow. Second operand 15 states and 346 transitions. [2021-03-25 12:19:32,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 837 places, 4021 transitions, 156055 flow [2021-03-25 12:19:47,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 825 places, 4021 transitions, 155404 flow, removed 28 selfloop flow, removed 12 redundant places. [2021-03-25 12:19:47,904 INFO L241 Difference]: Finished difference. Result has 829 places, 3869 transitions, 143360 flow [2021-03-25 12:19:47,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140118, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3847, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=767, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3073, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=143360, PETRI_PLACES=829, PETRI_TRANSITIONS=3869} [2021-03-25 12:19:47,906 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 808 predicate places. [2021-03-25 12:19:47,906 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:19:47,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 829 places, 3869 transitions, 143360 flow [2021-03-25 12:19:47,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 829 places, 3869 transitions, 143360 flow [2021-03-25 12:19:47,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 829 places, 3869 transitions, 143360 flow [2021-03-25 12:19:54,519 INFO L129 PetriNetUnfolder]: 4156/10107 cut-off events. [2021-03-25 12:19:54,519 INFO L130 PetriNetUnfolder]: For 970770/971741 co-relation queries the response was YES. [2021-03-25 12:19:54,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157000 conditions, 10107 events. 4156/10107 cut-off events. For 970770/971741 co-relation queries the response was YES. Maximal size of possible extension queue 1166. Compared 110423 event pairs, 15 based on Foata normal form. 248/10337 useless extension candidates. Maximal degree in co-relation 156359. Up to 2334 conditions per place. [2021-03-25 12:19:54,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 3910 [2021-03-25 12:19:56,729 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:19:56,729 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:19:56,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8823 [2021-03-25 12:19:56,730 INFO L480 AbstractCegarLoop]: Abstraction has has 829 places, 3869 transitions, 143360 flow [2021-03-25 12:19:56,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:19:56,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:19:56,730 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:19:56,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-03-25 12:19:56,932 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:19:56,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:19:56,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1974213744, now seen corresponding path program 12 times [2021-03-25 12:19:56,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:19:56,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228121524] [2021-03-25 12:19:56,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:19:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:19:56,943 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 12:19:56,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 12:19:56,953 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 12:19:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 12:19:56,998 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 12:19:56,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 12:19:57,041 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.3 percent of original size [2021-03-25 12:19:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 12:19:57,058 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-03-25 12:19:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:19:57,071 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 12:19:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:19:57,082 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 12:19:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:19:57,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228121524] [2021-03-25 12:19:57,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293647267] [2021-03-25 12:19:57,092 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 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:19:57,113 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 12:19:57,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:19:57,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 12:19:57,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:19:57,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 12:19:57,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,151 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 12:19:57,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 12:19:57,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:19:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:19:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 12:19:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,185 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-25 12:19:57,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 12:19:57,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:19:57,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:19:57,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 12:19:57,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 12:19:57,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:57,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:19:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:19:57,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:57,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:19:57,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 12:19:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 12:19:57,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,212 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 20 treesize of output 20 [2021-03-25 12:19:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,213 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 12:19:57,214 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 12:19:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:19:57,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 12:19:57,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 12:19:57,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:17 [2021-03-25 12:19:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,242 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 12:19:57,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:19:57,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:19:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 12:19:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,245 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 12:19:57,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:19:57,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:57,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:19:57,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:19:57,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:19:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:19:57,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:19:57,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 12:19:57,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474361026] [2021-03-25 12:19:57,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:19:57,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:19:57,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:19:57,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:19:57,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 75 [2021-03-25 12:19:57,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 829 places, 3869 transitions, 143360 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) [2021-03-25 12:19:57,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:19:57,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 75 [2021-03-25 12:19:57,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:20:16,522 INFO L129 PetriNetUnfolder]: 5090/11375 cut-off events. [2021-03-25 12:20:16,522 INFO L130 PetriNetUnfolder]: For 1062707/1062906 co-relation queries the response was YES. [2021-03-25 12:20:16,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184590 conditions, 11375 events. 5090/11375 cut-off events. For 1062707/1062906 co-relation queries the response was YES. Maximal size of possible extension queue 1131. Compared 117012 event pairs, 321 based on Foata normal form. 106/11477 useless extension candidates. Maximal degree in co-relation 183934. Up to 9353 conditions per place. [2021-03-25 12:20:16,898 INFO L132 encePairwiseOnDemand]: 47/75 looper letters, 3737 selfloop transitions, 155 changer transitions 10/3908 dead transitions. [2021-03-25 12:20:16,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 842 places, 3908 transitions, 152350 flow [2021-03-25 12:20:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 12:20:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 12:20:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 289 transitions. [2021-03-25 12:20:16,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2752380952380952 [2021-03-25 12:20:16,899 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 289 transitions. [2021-03-25 12:20:16,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 289 transitions. [2021-03-25 12:20:16,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:20:16,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 289 transitions. [2021-03-25 12:20:16,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.642857142857142) internal successors, (289), 14 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:20:16,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 75.0) internal successors, (1125), 15 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:20:16,901 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 75.0) internal successors, (1125), 15 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:20:16,901 INFO L185 Difference]: Start difference. First operand has 829 places, 3869 transitions, 143360 flow. Second operand 14 states and 289 transitions. [2021-03-25 12:20:16,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 842 places, 3908 transitions, 152350 flow [2021-03-25 12:20:32,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 832 places, 3908 transitions, 151836 flow, removed 78 selfloop flow, removed 10 redundant places. [2021-03-25 12:20:32,492 INFO L241 Difference]: Finished difference. Result has 836 places, 3888 transitions, 143943 flow [2021-03-25 12:20:32,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=142846, PETRI_DIFFERENCE_MINUEND_PLACES=819, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=143943, PETRI_PLACES=836, PETRI_TRANSITIONS=3888} [2021-03-25 12:20:32,494 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 815 predicate places. [2021-03-25 12:20:32,494 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:20:32,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 836 places, 3888 transitions, 143943 flow [2021-03-25 12:20:32,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 836 places, 3888 transitions, 143943 flow [2021-03-25 12:20:32,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 3888 transitions, 143943 flow [2021-03-25 12:20:39,642 INFO L129 PetriNetUnfolder]: 4168/10104 cut-off events. [2021-03-25 12:20:39,642 INFO L130 PetriNetUnfolder]: For 975926/976945 co-relation queries the response was YES. [2021-03-25 12:20:39,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157771 conditions, 10104 events. 4168/10104 cut-off events. For 975926/976945 co-relation queries the response was YES. Maximal size of possible extension queue 1135. Compared 110041 event pairs, 14 based on Foata normal form. 260/10347 useless extension candidates. Maximal degree in co-relation 157124. Up to 2343 conditions per place. [2021-03-25 12:20:40,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 3922 [2021-03-25 12:20:41,980 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:20:41,980 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:20:41,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9486 [2021-03-25 12:20:41,981 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 3888 transitions, 143943 flow [2021-03-25 12:20:41,981 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) [2021-03-25 12:20:41,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:20:41,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:20:42,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:20:42,181 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:20:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:20:42,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1405652304, now seen corresponding path program 4 times [2021-03-25 12:20:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:20:42,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670471414] [2021-03-25 12:20:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:20:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:20:42,187 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:20:42,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:20:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:20:42,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 12:20:42,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:20:42,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670471414] [2021-03-25 12:20:42,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693138813] [2021-03-25 12:20:42,222 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 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:20:42,251 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:20:42,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:20:42,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:20:42,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:20:42,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:20:42,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:20:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:20:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:20:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:20:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:20:42,316 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 12:20:42,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:20:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:20:42,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:20:42,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:20:42,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:20:42,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:20:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:20:42,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:20:42,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:20:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:20:42,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:20:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:20:42,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:20:42,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 12:20:42,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003187720] [2021-03-25 12:20:42,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 12:20:42,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:20:42,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 12:20:42,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-25 12:20:42,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 12:20:42,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 3888 transitions, 143943 flow. Second operand has 12 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-25 12:20:42,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:20:42,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 12:20:42,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:21:00,278 INFO L129 PetriNetUnfolder]: 5077/11297 cut-off events. [2021-03-25 12:21:00,278 INFO L130 PetriNetUnfolder]: For 1055796/1056134 co-relation queries the response was YES. [2021-03-25 12:21:00,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183851 conditions, 11297 events. 5077/11297 cut-off events. For 1055796/1056134 co-relation queries the response was YES. Maximal size of possible extension queue 1121. Compared 115673 event pairs, 330 based on Foata normal form. 120/11413 useless extension candidates. Maximal degree in co-relation 183190. Up to 8768 conditions per place. [2021-03-25 12:21:00,602 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3685 selfloop transitions, 250 changer transitions 0/3942 dead transitions. [2021-03-25 12:21:00,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 847 places, 3942 transitions, 153752 flow [2021-03-25 12:21:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:21:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:21:00,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 280 transitions. [2021-03-25 12:21:00,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3111111111111111 [2021-03-25 12:21:00,603 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 280 transitions. [2021-03-25 12:21:00,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 280 transitions. [2021-03-25 12:21:00,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:21:00,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 280 transitions. [2021-03-25 12:21:00,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 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) [2021-03-25 12:21:00,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:21:00,604 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:21:00,604 INFO L185 Difference]: Start difference. First operand has 836 places, 3888 transitions, 143943 flow. Second operand 12 states and 280 transitions. [2021-03-25 12:21:00,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 847 places, 3942 transitions, 153752 flow [2021-03-25 12:21:16,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 838 places, 3942 transitions, 153436 flow, removed 57 selfloop flow, removed 9 redundant places. [2021-03-25 12:21:16,333 INFO L241 Difference]: Finished difference. Result has 839 places, 3895 transitions, 144373 flow [2021-03-25 12:21:16,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=143591, PETRI_DIFFERENCE_MINUEND_PLACES=827, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3887, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=144373, PETRI_PLACES=839, PETRI_TRANSITIONS=3895} [2021-03-25 12:21:16,335 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 818 predicate places. [2021-03-25 12:21:16,335 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:21:16,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 839 places, 3895 transitions, 144373 flow [2021-03-25 12:21:16,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 839 places, 3895 transitions, 144373 flow [2021-03-25 12:21:16,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 839 places, 3895 transitions, 144373 flow Received shutdown request... [2021-03-25 12:21:21,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable110 [2021-03-25 12:21:21,383 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 12:21:21,386 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 12:21:21,386 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 12:21:21 BasicIcfg [2021-03-25 12:21:21,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 12:21:21,387 INFO L168 Benchmark]: Toolchain (without parser) took 813718.28 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.3 GB). Free memory was 236.4 MB in the beginning and 10.3 GB in the end (delta: -10.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 160.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 234.0 MB in the end (delta: 850.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 INFO L168 Benchmark]: RCFGBuilder took 232.35 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 INFO L168 Benchmark]: TraceAbstraction took 813430.39 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.3 GB). Free memory was 236.5 MB in the beginning and 10.3 GB in the end (delta: -10.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-03-25 12:21:21,387 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 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 160.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 234.0 MB in the end (delta: 850.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 232.35 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 813430.39 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.3 GB). Free memory was 236.5 MB in the beginning and 10.3 GB in the end (delta: -10.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 312.7ms, 31 PlacesBefore, 21 PlacesAfterwards, 24 TransitionsBefore, 14 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 60, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, 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: 14.9ms, 18 PlacesBefore, 18 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 60 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, 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: 9.4ms, 22 PlacesBefore, 22 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 90 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, 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: 76.8ms, 31 PlacesBefore, 31 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.4ms, 39 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.6ms, 44 PlacesBefore, 44 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 156 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: 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] , 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): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.7ms, 51 PlacesBefore, 51 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 180 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: 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] , 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): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2ms, 56 PlacesBefore, 56 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 184 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: 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] , 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): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.4ms, 68 PlacesBefore, 68 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.6ms, 70 PlacesBefore, 69 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 212 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.5ms, 76 PlacesBefore, 76 PlacesAfterwards, 93 TransitionsBefore, 93 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.7ms, 85 PlacesBefore, 85 PlacesAfterwards, 114 TransitionsBefore, 114 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.0ms, 99 PlacesBefore, 99 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 304 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.0ms, 108 PlacesBefore, 108 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 328 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.3ms, 113 PlacesBefore, 113 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 344 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.9ms, 125 PlacesBefore, 125 PlacesAfterwards, 175 TransitionsBefore, 175 TransitionsAfterwards, 408 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.6ms, 153 PlacesBefore, 153 PlacesAfterwards, 233 TransitionsBefore, 233 TransitionsAfterwards, 448 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.9ms, 153 PlacesBefore, 153 PlacesAfterwards, 247 TransitionsBefore, 247 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.7ms, 167 PlacesBefore, 167 PlacesAfterwards, 247 TransitionsBefore, 247 TransitionsAfterwards, 488 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 188.6ms, 168 PlacesBefore, 168 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.7ms, 181 PlacesBefore, 181 PlacesAfterwards, 293 TransitionsBefore, 293 TransitionsAfterwards, 574 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.5ms, 202 PlacesBefore, 202 PlacesAfterwards, 342 TransitionsBefore, 342 TransitionsAfterwards, 704 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.9ms, 199 PlacesBefore, 199 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 702 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.2ms, 205 PlacesBefore, 204 PlacesAfterwards, 407 TransitionsBefore, 407 TransitionsAfterwards, 654 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.1ms, 218 PlacesBefore, 218 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 710 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.5ms, 225 PlacesBefore, 225 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 728 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.1ms, 235 PlacesBefore, 235 PlacesAfterwards, 450 TransitionsBefore, 450 TransitionsAfterwards, 738 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.8ms, 236 PlacesBefore, 236 PlacesAfterwards, 453 TransitionsBefore, 453 TransitionsAfterwards, 742 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.0ms, 230 PlacesBefore, 230 PlacesAfterwards, 459 TransitionsBefore, 459 TransitionsAfterwards, 730 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.1ms, 245 PlacesBefore, 245 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 778 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 301.6ms, 251 PlacesBefore, 251 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 814 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 489.5ms, 258 PlacesBefore, 258 PlacesAfterwards, 559 TransitionsBefore, 559 TransitionsAfterwards, 876 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 283.3ms, 265 PlacesBefore, 265 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 910 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 335.7ms, 278 PlacesBefore, 278 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 950 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 368.4ms, 281 PlacesBefore, 281 PlacesAfterwards, 660 TransitionsBefore, 660 TransitionsAfterwards, 954 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 664.6ms, 290 PlacesBefore, 290 PlacesAfterwards, 699 TransitionsBefore, 699 TransitionsAfterwards, 978 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.8ms, 310 PlacesBefore, 309 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 1070 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.5ms, 315 PlacesBefore, 315 PlacesAfterwards, 795 TransitionsBefore, 795 TransitionsAfterwards, 1070 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 423.7ms, 330 PlacesBefore, 329 PlacesAfterwards, 813 TransitionsBefore, 813 TransitionsAfterwards, 1072 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 503.8ms, 346 PlacesBefore, 346 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 1120 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 522.8ms, 349 PlacesBefore, 349 PlacesAfterwards, 894 TransitionsBefore, 894 TransitionsAfterwards, 1138 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 519.6ms, 368 PlacesBefore, 368 PlacesAfterwards, 902 TransitionsBefore, 902 TransitionsAfterwards, 1138 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.0ms, 386 PlacesBefore, 386 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 1264 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 705.4ms, 388 PlacesBefore, 388 PlacesAfterwards, 978 TransitionsBefore, 978 TransitionsAfterwards, 1266 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: 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] , 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): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1211.2ms, 397 PlacesBefore, 396 PlacesAfterwards, 982 TransitionsBefore, 981 TransitionsAfterwards, 1268 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 712.0ms, 404 PlacesBefore, 404 PlacesAfterwards, 999 TransitionsBefore, 999 TransitionsAfterwards, 1280 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: 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] , 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): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 690.3ms, 405 PlacesBefore, 405 PlacesAfterwards, 1004 TransitionsBefore, 1004 TransitionsAfterwards, 1290 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: 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] , 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): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 762.9ms, 424 PlacesBefore, 424 PlacesAfterwards, 1020 TransitionsBefore, 1020 TransitionsAfterwards, 1294 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: 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] , 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): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.8ms, 424 PlacesBefore, 424 PlacesAfterwards, 1024 TransitionsBefore, 1024 TransitionsAfterwards, 1296 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: 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] , 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): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1018.3ms, 432 PlacesBefore, 432 PlacesAfterwards, 1057 TransitionsBefore, 1057 TransitionsAfterwards, 1364 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.1ms, 448 PlacesBefore, 448 PlacesAfterwards, 1117 TransitionsBefore, 1117 TransitionsAfterwards, 1498 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: 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] , 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): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 840.9ms, 457 PlacesBefore, 457 PlacesAfterwards, 1123 TransitionsBefore, 1123 TransitionsAfterwards, 1510 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: 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] , 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): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1354.4ms, 468 PlacesBefore, 468 PlacesAfterwards, 1159 TransitionsBefore, 1159 TransitionsAfterwards, 1596 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1079.9ms, 488 PlacesBefore, 488 PlacesAfterwards, 1236 TransitionsBefore, 1236 TransitionsAfterwards, 1722 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1026.3ms, 497 PlacesBefore, 497 PlacesAfterwards, 1239 TransitionsBefore, 1239 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1174.0ms, 526 PlacesBefore, 525 PlacesAfterwards, 1381 TransitionsBefore, 1381 TransitionsAfterwards, 1978 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1213.0ms, 540 PlacesBefore, 540 PlacesAfterwards, 1391 TransitionsBefore, 1391 TransitionsAfterwards, 1994 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2101.8ms, 556 PlacesBefore, 555 PlacesAfterwards, 1630 TransitionsBefore, 1630 TransitionsAfterwards, 2270 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2159.5ms, 566 PlacesBefore, 566 PlacesAfterwards, 1693 TransitionsBefore, 1693 TransitionsAfterwards, 2272 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2279.9ms, 575 PlacesBefore, 575 PlacesAfterwards, 1703 TransitionsBefore, 1703 TransitionsAfterwards, 2286 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2308.3ms, 576 PlacesBefore, 576 PlacesAfterwards, 1913 TransitionsBefore, 1913 TransitionsAfterwards, 2368 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: 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] , 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): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3067.3ms, 600 PlacesBefore, 600 PlacesAfterwards, 1945 TransitionsBefore, 1945 TransitionsAfterwards, 2404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2477.3ms, 602 PlacesBefore, 602 PlacesAfterwards, 1952 TransitionsBefore, 1952 TransitionsAfterwards, 2422 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: 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] , 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): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2429.8ms, 603 PlacesBefore, 603 PlacesAfterwards, 1950 TransitionsBefore, 1950 TransitionsAfterwards, 2422 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: 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] , 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): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2600.4ms, 608 PlacesBefore, 608 PlacesAfterwards, 1956 TransitionsBefore, 1956 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: 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] , 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): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3051.4ms, 616 PlacesBefore, 616 PlacesAfterwards, 1965 TransitionsBefore, 1965 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3403.7ms, 636 PlacesBefore, 636 PlacesAfterwards, 1990 TransitionsBefore, 1990 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2885.4ms, 637 PlacesBefore, 637 PlacesAfterwards, 2017 TransitionsBefore, 2017 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2743.8ms, 643 PlacesBefore, 643 PlacesAfterwards, 2016 TransitionsBefore, 2016 TransitionsAfterwards, 2528 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3132.3ms, 658 PlacesBefore, 658 PlacesAfterwards, 2111 TransitionsBefore, 2111 TransitionsAfterwards, 2580 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3771.5ms, 658 PlacesBefore, 658 PlacesAfterwards, 2133 TransitionsBefore, 2133 TransitionsAfterwards, 2606 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 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] , Cache Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3001.5ms, 670 PlacesBefore, 670 PlacesAfterwards, 2151 TransitionsBefore, 2151 TransitionsAfterwards, 2638 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3796.5ms, 690 PlacesBefore, 690 PlacesAfterwards, 2390 TransitionsBefore, 2390 TransitionsAfterwards, 2862 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5839.0ms, 723 PlacesBefore, 723 PlacesAfterwards, 3120 TransitionsBefore, 3120 TransitionsAfterwards, 3060 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6589.3ms, 734 PlacesBefore, 734 PlacesAfterwards, 3166 TransitionsBefore, 3166 TransitionsAfterwards, 3156 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6102.2ms, 756 PlacesBefore, 756 PlacesAfterwards, 3194 TransitionsBefore, 3194 TransitionsAfterwards, 3172 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: 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] , 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): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7912.8ms, 758 PlacesBefore, 757 PlacesAfterwards, 3231 TransitionsBefore, 3231 TransitionsAfterwards, 3204 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7460.2ms, 770 PlacesBefore, 770 PlacesAfterwards, 3470 TransitionsBefore, 3470 TransitionsAfterwards, 3214 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: 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] , 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): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8830.2ms, 780 PlacesBefore, 780 PlacesAfterwards, 3471 TransitionsBefore, 3471 TransitionsAfterwards, 3206 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7413.4ms, 787 PlacesBefore, 787 PlacesAfterwards, 3550 TransitionsBefore, 3550 TransitionsAfterwards, 3400 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7728.3ms, 795 PlacesBefore, 795 PlacesAfterwards, 3700 TransitionsBefore, 3700 TransitionsAfterwards, 3664 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7685.8ms, 801 PlacesBefore, 801 PlacesAfterwards, 3721 TransitionsBefore, 3721 TransitionsAfterwards, 3680 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8294.4ms, 812 PlacesBefore, 812 PlacesAfterwards, 3843 TransitionsBefore, 3843 TransitionsAfterwards, 3878 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8516.0ms, 823 PlacesBefore, 823 PlacesAfterwards, 3848 TransitionsBefore, 3848 TransitionsAfterwards, 3890 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8822.9ms, 829 PlacesBefore, 829 PlacesAfterwards, 3869 TransitionsBefore, 3869 TransitionsAfterwards, 3910 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9485.9ms, 836 PlacesBefore, 836 PlacesAfterwards, 3888 TransitionsBefore, 3888 TransitionsAfterwards, 3922 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: 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] , 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): 26, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 839 places, 3895 transitions, 144373 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 839 places, 3895 transitions, 144373 flow,while PetriNetUnfolder was constructing finite prefix that currently has 117294 conditions, 6328 events (3133/6327 cut-off events. For 804793/805628 co-relation queries the response was YES. Maximal size of possible extension queue 1135. Compared 63691 event pairs, 10 based on Foata normal form. 193/7523 useless extension candidates. Maximal degree in co-relation 116831. Up to 1691 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 813355.9ms, OverallIterations: 87, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 605231.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 365.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 837 SDtfs, 2413 SDslu, 910 SDs, 0 SdLazy, 21299 SolverSat, 2594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10317.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2303 GetRequests, 825 SyntacticMatches, 58 SemanticMatches, 1420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4804 ImplicationChecksByTransitivity, 17353.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=144373occurred in iteration=87, InterpolantAutomatonStates: 1163, 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: 264.0ms SsaConstructionTime, 885.2ms SatisfiabilityAnalysisTime, 14600.9ms InterpolantComputationTime, 2440 NumberOfCodeBlocks, 2440 NumberOfCodeBlocksAsserted, 230 NumberOfCheckSat, 2269 ConstructedInterpolants, 11 QuantifiedInterpolants, 23100 SizeOfPredicates, 235 NumberOfNonLiveVariables, 5116 ConjunctsInSsa, 1080 ConjunctsInUnsatCore, 171 InterpolantComputations, 3 PerfectInterpolantSequences, 158/757 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