/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-RepeatedSemanticLbe.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 21:58:19,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 21:58:19,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 21:58:19,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 21:58:19,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 21:58:19,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 21:58:19,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 21:58:19,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 21:58:19,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 21:58:19,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 21:58:19,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 21:58:19,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 21:58:19,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 21:58:19,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 21:58:19,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 21:58:19,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 21:58:19,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 21:58:19,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 21:58:19,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 21:58:19,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 21:58:19,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 21:58:19,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 21:58:19,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 21:58:19,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 21:58:19,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 21:58:19,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 21:58:19,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 21:58:19,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 21:58:19,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 21:58:19,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 21:58:19,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 21:58:19,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 21:58:19,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 21:58:19,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 21:58:19,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 21:58:19,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 21:58:19,263 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-RepeatedSemanticLbe.epf [2021-03-25 21:58:19,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 21:58:19,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 21:58:19,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 21:58:19,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 21:58:19,299 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 21:58:19,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 21:58:19,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 21:58:19,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 21:58:19,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 21:58:19,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 21:58:19,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 21:58:19,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 21:58:19,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 21:58:19,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 21:58:19,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 21:58:19,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 21:58:19,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 21:58:19,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 21:58:19,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 21:58:19,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 21:58:19,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 21:58:19,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 21:58:19,628 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 21:58:19,629 INFO L432 ainManager$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 21:58:19,629 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 21:58:19,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 21:58:19,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 21:58:19,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 21:58:19,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 21:58:19,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 21:58:19,684 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,690 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 21:58:19,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 21:58:19,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 21:58:19,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 21:58:19,703 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,703 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,704 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,704 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,706 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,708 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,709 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 09:58:19" (1/1) ... [2021-03-25 21:58:19,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 21:58:19,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 21:58:19,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 21:58:19,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 21:58:19,711 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 09:58:19" (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 21:58:19,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 21:58:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 21:58:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 21:58:19,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 21:58:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 21:58:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 21:58:19,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 21:58:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 21:58:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 21:58:19,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 21:58:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 21:58:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 21:58:19,771 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 21:58:19,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 21:58:19,957 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 21:58:19,959 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 09:58:19 BoogieIcfgContainer [2021-03-25 21:58:19,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 21:58:19,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 21:58:19,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 21:58:19,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 21:58:19,963 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 09:58:19" (1/2) ... [2021-03-25 21:58:19,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63054fce and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 09:58:19, skipping insertion in model container [2021-03-25 21:58:19,964 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 09:58:19" (2/2) ... [2021-03-25 21:58:19,965 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-03-25 21:58:19,969 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 21:58:19,972 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 21:58:19,973 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 21:58:20,041 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-25 21:58:20,058 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 21:58:20,080 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 21:58:20,081 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 21:58:20,081 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 21:58:20,081 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 21:58:20,081 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 21:58:20,081 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 21:58:20,081 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 21:58:20,081 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 21:58:20,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-03-25 21:58:20,109 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-25 21:58:20,110 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 21:58:20,112 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 21:58:20,113 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 82 flow [2021-03-25 21:58:20,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2021-03-25 21:58:20,117 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:20,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 24 transitions, 66 flow [2021-03-25 21:58:20,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 24 transitions, 66 flow [2021-03-25 21:58:20,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 66 flow [2021-03-25 21:58:20,141 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-03-25 21:58:20,141 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 21:58:20,142 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 21:58:20,143 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-25 21:58:20,437 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-25 21:58:20,438 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 21:58:20,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-25 21:58:20,460 INFO L129 PetriNetUnfolder]: 3/13 cut-off events. [2021-03-25 21:58:20,461 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 21:58:20,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:20,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:20,462 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:20,468 INFO L82 PathProgramCache]: Analyzing trace with hash 829867337, now seen corresponding path program 1 times [2021-03-25 21:58:20,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:20,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607333894] [2021-03-25 21:58:20,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:20,609 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:20,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:20,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:20,623 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 21:58:20,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607333894] [2021-03-25 21:58:20,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 21:58:20,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 21:58:20,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713021699] [2021-03-25 21:58:20,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 21:58:20,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:20,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 21:58:20,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 21:58:20,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 39 [2021-03-25 21:58:20,655 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 21:58:20,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:20,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 39 [2021-03-25 21:58:20,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:20,699 INFO L129 PetriNetUnfolder]: 27/48 cut-off events. [2021-03-25 21:58:20,699 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 21:58:20,701 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 21:58:20,704 INFO L132 encePairwiseOnDemand]: 36/39 looper letters, 10 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2021-03-25 21:58:20,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 80 flow [2021-03-25 21:58:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 21:58:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 21:58:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2021-03-25 21:58:20,714 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5982905982905983 [2021-03-25 21:58:20,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 70 transitions. [2021-03-25 21:58:20,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 70 transitions. [2021-03-25 21:58:20,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:20,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 70 transitions. [2021-03-25 21:58:20,720 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 21:58:20,726 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 21:58:20,726 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 21:58:20,728 INFO L185 Difference]: Start difference. First operand has 21 places, 14 transitions, 46 flow. Second operand 3 states and 70 transitions. [2021-03-25 21:58:20,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 80 flow [2021-03-25 21:58:20,732 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 21:58:20,734 INFO L241 Difference]: Finished difference. Result has 18 places, 15 transitions, 46 flow [2021-03-25 21:58:20,736 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 21:58:20,737 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, -3 predicate places. [2021-03-25 21:58:20,737 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:20,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 15 transitions, 46 flow [2021-03-25 21:58:20,737 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 15 transitions, 46 flow [2021-03-25 21:58:20,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 15 transitions, 46 flow [2021-03-25 21:58:20,742 INFO L129 PetriNetUnfolder]: 3/15 cut-off events. [2021-03-25 21:58:20,742 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 21:58:20,743 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 21:58:20,744 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-25 21:58:20,745 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:20,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:20,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 21:58:20,747 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 46 flow [2021-03-25 21:58:20,747 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 21:58:20,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:20,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:20,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 21:58:20,748 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:20,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1791964267, now seen corresponding path program 1 times [2021-03-25 21:58:20,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:20,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023629467] [2021-03-25 21:58:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:20,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 21:58:20,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:20,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:20,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:20,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:20,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:20,827 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 21:58:20,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023629467] [2021-03-25 21:58:20,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 21:58:20,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 21:58:20,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768174180] [2021-03-25 21:58:20,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 21:58:20,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:20,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 21:58:20,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 21:58:20,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 39 [2021-03-25 21:58:20,833 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 21:58:20,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:20,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 39 [2021-03-25 21:58:20,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:20,880 INFO L129 PetriNetUnfolder]: 55/90 cut-off events. [2021-03-25 21:58:20,881 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 21:58:20,882 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 21:58:20,885 INFO L132 encePairwiseOnDemand]: 35/39 looper letters, 16 selfloop transitions, 4 changer transitions 0/27 dead transitions. [2021-03-25 21:58:20,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 27 transitions, 124 flow [2021-03-25 21:58:20,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 21:58:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 21:58:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2021-03-25 21:58:20,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6089743589743589 [2021-03-25 21:58:20,893 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 95 transitions. [2021-03-25 21:58:20,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 95 transitions. [2021-03-25 21:58:20,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:20,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 95 transitions. [2021-03-25 21:58:20,895 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 21:58:20,897 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 21:58:20,898 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 21:58:20,898 INFO L185 Difference]: Start difference. First operand has 18 places, 15 transitions, 46 flow. Second operand 4 states and 95 transitions. [2021-03-25 21:58:20,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 27 transitions, 124 flow [2021-03-25 21:58:20,899 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 21:58:20,901 INFO L241 Difference]: Finished difference. Result has 22 places, 18 transitions, 71 flow [2021-03-25 21:58:20,901 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 21:58:20,901 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2021-03-25 21:58:20,901 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:20,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 18 transitions, 71 flow [2021-03-25 21:58:20,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 18 transitions, 71 flow [2021-03-25 21:58:20,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 18 transitions, 71 flow [2021-03-25 21:58:20,911 INFO L129 PetriNetUnfolder]: 8/26 cut-off events. [2021-03-25 21:58:20,912 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 21:58:20,912 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 21:58:20,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-25 21:58:20,914 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:20,914 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:20,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 21:58:20,916 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 71 flow [2021-03-25 21:58:20,916 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 21:58:20,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:20,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:20,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 21:58:20,916 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:20,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:20,917 INFO L82 PathProgramCache]: Analyzing trace with hash 901446355, now seen corresponding path program 1 times [2021-03-25 21:58:20,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:20,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154172983] [2021-03-25 21:58:20,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:20,994 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 21:58:20,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:21,078 INFO L142 QuantifierPusher]: treesize reduction 18, result has 75.0 percent of original size [2021-03-25 21:58:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 21:58:21,137 INFO L142 QuantifierPusher]: treesize reduction 31, result has 61.7 percent of original size [2021-03-25 21:58:21,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 21:58:21,198 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 21:58:21,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:21,225 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:58:21,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:21,226 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 21:58:21,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154172983] [2021-03-25 21:58:21,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007887384] [2021-03-25 21:58:21,226 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 21:58:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:21,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-25 21:58:21,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:21,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:21,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:21,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:21,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:21,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:21,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:21,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:21,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:21,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:21,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:21,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,431 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 21:58:21,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:21,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:21,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 21:58:21,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,448 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:58:21,455 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,465 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 21:58:21,467 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-25 21:58:21,468 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 21:58:21,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 21:58:21,469 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 21:58:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:21,488 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 21:58:21,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:21,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:21,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:21,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,496 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:58:21,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:21,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-03-25 21:58:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:21,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:21,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:21,529 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 21:58:21,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:21,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 21:58:21,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842634181] [2021-03-25 21:58:21,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:21,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:21,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:21,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:21,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-03-25 21:58:21,532 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 21:58:21,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:21,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-03-25 21:58:21,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:21,813 INFO L129 PetriNetUnfolder]: 83/148 cut-off events. [2021-03-25 21:58:21,813 INFO L130 PetriNetUnfolder]: For 78/80 co-relation queries the response was YES. [2021-03-25 21:58:21,814 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 21:58:21,815 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 18 selfloop transitions, 14 changer transitions 0/38 dead transitions. [2021-03-25 21:58:21,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 38 transitions, 212 flow [2021-03-25 21:58:21,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 21:58:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 21:58:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 127 transitions. [2021-03-25 21:58:21,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4652014652014652 [2021-03-25 21:58:21,816 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 127 transitions. [2021-03-25 21:58:21,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 127 transitions. [2021-03-25 21:58:21,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:21,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 127 transitions. [2021-03-25 21:58:21,817 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 21:58:21,818 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 21:58:21,818 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 21:58:21,818 INFO L185 Difference]: Start difference. First operand has 22 places, 18 transitions, 71 flow. Second operand 7 states and 127 transitions. [2021-03-25 21:58:21,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 38 transitions, 212 flow [2021-03-25 21:58:21,820 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 21:58:21,821 INFO L241 Difference]: Finished difference. Result has 31 places, 31 transitions, 183 flow [2021-03-25 21:58:21,821 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 21:58:21,821 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 10 predicate places. [2021-03-25 21:58:21,821 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:21,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 31 transitions, 183 flow [2021-03-25 21:58:21,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 31 transitions, 183 flow [2021-03-25 21:58:21,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 31 transitions, 183 flow [2021-03-25 21:58:21,827 INFO L129 PetriNetUnfolder]: 26/64 cut-off events. [2021-03-25 21:58:21,827 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-03-25 21:58:21,828 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 21:58:21,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-25 21:58:21,879 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 21:58:21,880 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:21,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-25 21:58:21,880 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 184 flow [2021-03-25 21:58:21,881 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 21:58:21,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:21,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:22,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-25 21:58:22,105 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:22,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:22,105 INFO L82 PathProgramCache]: Analyzing trace with hash -53871413, now seen corresponding path program 2 times [2021-03-25 21:58:22,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:22,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282583014] [2021-03-25 21:58:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:22,163 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-03-25 21:58:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 21:58:22,225 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-25 21:58:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:22,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:22,254 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:58:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:22,262 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 21:58:22,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282583014] [2021-03-25 21:58:22,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712717445] [2021-03-25 21:58:22,263 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 21:58:22,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:22,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:22,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 21:58:22,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:22,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:22,344 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 21:58:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:22,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:22,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:22,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:22,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:22,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:22,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:22,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:22,421 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 21:58:22,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:22,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:22,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:22,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:58:22,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-03-25 21:58:22,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:22,465 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 21:58:22,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:22,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-25 21:58:22,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991418752] [2021-03-25 21:58:22,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:22,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:22,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-03-25 21:58:22,469 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 21:58:22,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:22,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-03-25 21:58:22,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:22,579 INFO L129 PetriNetUnfolder]: 89/165 cut-off events. [2021-03-25 21:58:22,580 INFO L130 PetriNetUnfolder]: For 286/314 co-relation queries the response was YES. [2021-03-25 21:58:22,580 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 21:58:22,582 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 24 selfloop transitions, 12 changer transitions 0/42 dead transitions. [2021-03-25 21:58:22,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 42 transitions, 330 flow [2021-03-25 21:58:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 21:58:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 21:58:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2021-03-25 21:58:22,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-25 21:58:22,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 108 transitions. [2021-03-25 21:58:22,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 108 transitions. [2021-03-25 21:58:22,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:22,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 108 transitions. [2021-03-25 21:58:22,586 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 21:58:22,588 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 21:58:22,588 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 21:58:22,588 INFO L185 Difference]: Start difference. First operand has 31 places, 31 transitions, 184 flow. Second operand 6 states and 108 transitions. [2021-03-25 21:58:22,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 42 transitions, 330 flow [2021-03-25 21:58:22,594 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 21:58:22,595 INFO L241 Difference]: Finished difference. Result has 39 places, 39 transitions, 270 flow [2021-03-25 21:58:22,596 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 21:58:22,596 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 18 predicate places. [2021-03-25 21:58:22,596 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:22,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 39 transitions, 270 flow [2021-03-25 21:58:22,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 39 transitions, 270 flow [2021-03-25 21:58:22,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 39 transitions, 270 flow [2021-03-25 21:58:22,605 INFO L129 PetriNetUnfolder]: 36/94 cut-off events. [2021-03-25 21:58:22,606 INFO L130 PetriNetUnfolder]: For 102/107 co-relation queries the response was YES. [2021-03-25 21:58:22,606 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 21:58:22,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 21:58:22,659 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 21:58:22,659 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:22,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-25 21:58:22,660 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 275 flow [2021-03-25 21:58:22,660 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 21:58:22,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:22,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:22,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:22,876 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:22,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:22,876 INFO L82 PathProgramCache]: Analyzing trace with hash 436452197, now seen corresponding path program 3 times [2021-03-25 21:58:22,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:22,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898142250] [2021-03-25 21:58:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:22,921 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 21:58:22,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:22,953 INFO L142 QuantifierPusher]: treesize reduction 18, result has 75.0 percent of original size [2021-03-25 21:58:22,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 21:58:22,995 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-03-25 21:58:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 21:58:23,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:23,018 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:58:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:23,027 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 21:58:23,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898142250] [2021-03-25 21:58:23,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176857727] [2021-03-25 21:58:23,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:23,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:58:23,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:23,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 21:58:23,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:23,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:23,123 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-25 21:58:23,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:23,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:23,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 21:58:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:23,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:23,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:23,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:23,192 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 21:58:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:23,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:23,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,201 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 21:58:23,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-03-25 21:58:23,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,225 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 21:58:23,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:23,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 21:58:23,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650015752] [2021-03-25 21:58:23,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:23,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:23,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2021-03-25 21:58:23,242 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 21:58:23,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:23,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2021-03-25 21:58:23,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:23,469 INFO L129 PetriNetUnfolder]: 92/177 cut-off events. [2021-03-25 21:58:23,469 INFO L130 PetriNetUnfolder]: For 299/337 co-relation queries the response was YES. [2021-03-25 21:58:23,470 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 21:58:23,471 INFO L132 encePairwiseOnDemand]: 32/41 looper letters, 22 selfloop transitions, 26 changer transitions 2/56 dead transitions. [2021-03-25 21:58:23,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 499 flow [2021-03-25 21:58:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 21:58:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 21:58:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-25 21:58:23,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45993031358885017 [2021-03-25 21:58:23,473 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-25 21:58:23,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-25 21:58:23,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:23,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-25 21:58:23,474 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 21:58:23,475 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 21:58:23,476 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 21:58:23,476 INFO L185 Difference]: Start difference. First operand has 39 places, 39 transitions, 275 flow. Second operand 7 states and 132 transitions. [2021-03-25 21:58:23,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 499 flow [2021-03-25 21:58:23,478 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 21:58:23,480 INFO L241 Difference]: Finished difference. Result has 44 places, 51 transitions, 420 flow [2021-03-25 21:58:23,480 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 21:58:23,480 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 23 predicate places. [2021-03-25 21:58:23,480 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:23,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 51 transitions, 420 flow [2021-03-25 21:58:23,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 51 transitions, 420 flow [2021-03-25 21:58:23,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 51 transitions, 420 flow [2021-03-25 21:58:23,488 INFO L129 PetriNetUnfolder]: 45/112 cut-off events. [2021-03-25 21:58:23,489 INFO L130 PetriNetUnfolder]: For 210/220 co-relation queries the response was YES. [2021-03-25 21:58:23,489 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 21:58:23,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 156 [2021-03-25 21:58:23,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:23,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:23,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 21:58:23,497 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 51 transitions, 420 flow [2021-03-25 21:58:23,497 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 21:58:23,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:23,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:23,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:23,706 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:23,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:23,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2053775437, now seen corresponding path program 1 times [2021-03-25 21:58:23,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:23,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465419081] [2021-03-25 21:58:23,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:23,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 21:58:23,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:23,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:23,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:23,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,743 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 21:58:23,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465419081] [2021-03-25 21:58:23,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306345414] [2021-03-25 21:58:23,743 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 21:58:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:23,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:23,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:23,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:23,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:23,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:23,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:23,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,793 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:23,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:23,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:23,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:23,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:23,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:23,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:23,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:23,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:23,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:23,830 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 21:58:23,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:23,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 21:58:23,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873846280] [2021-03-25 21:58:23,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:23,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:23,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:23,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:23,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41 [2021-03-25 21:58:23,831 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 21:58:23,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:23,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41 [2021-03-25 21:58:23,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:23,976 INFO L129 PetriNetUnfolder]: 111/211 cut-off events. [2021-03-25 21:58:23,976 INFO L130 PetriNetUnfolder]: For 574/636 co-relation queries the response was YES. [2021-03-25 21:58:23,976 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 21:58:23,978 INFO L132 encePairwiseOnDemand]: 34/41 looper letters, 44 selfloop transitions, 41 changer transitions 2/94 dead transitions. [2021-03-25 21:58:23,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 94 transitions, 862 flow [2021-03-25 21:58:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 235 transitions. [2021-03-25 21:58:23,979 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5210643015521065 [2021-03-25 21:58:23,979 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 235 transitions. [2021-03-25 21:58:23,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 235 transitions. [2021-03-25 21:58:23,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:23,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 235 transitions. [2021-03-25 21:58:23,980 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 21:58:23,981 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 21:58:23,981 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 21:58:23,981 INFO L185 Difference]: Start difference. First operand has 44 places, 51 transitions, 420 flow. Second operand 11 states and 235 transitions. [2021-03-25 21:58:23,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 94 transitions, 862 flow [2021-03-25 21:58:23,984 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 21:58:23,986 INFO L241 Difference]: Finished difference. Result has 51 places, 69 transitions, 566 flow [2021-03-25 21:58:23,986 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 21:58:23,986 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 30 predicate places. [2021-03-25 21:58:23,986 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:23,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 69 transitions, 566 flow [2021-03-25 21:58:23,987 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 69 transitions, 566 flow [2021-03-25 21:58:23,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 69 transitions, 566 flow [2021-03-25 21:58:23,998 INFO L129 PetriNetUnfolder]: 73/167 cut-off events. [2021-03-25 21:58:23,998 INFO L130 PetriNetUnfolder]: For 293/295 co-relation queries the response was YES. [2021-03-25 21:58:23,999 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 21:58:24,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-25 21:58:24,006 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:24,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:24,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 21:58:24,007 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 69 transitions, 566 flow [2021-03-25 21:58:24,007 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 21:58:24,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:24,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:24,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:24,229 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:24,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:24,230 INFO L82 PathProgramCache]: Analyzing trace with hash -807815567, now seen corresponding path program 2 times [2021-03-25 21:58:24,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:24,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727367257] [2021-03-25 21:58:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:24,243 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 21:58:24,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:24,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,270 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 21:58:24,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727367257] [2021-03-25 21:58:24,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870117994] [2021-03-25 21:58:24,271 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:24,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:24,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:24,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:24,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:24,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:24,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:24,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:24,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,358 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:24,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,374 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 21:58:24,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:24,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 21:58:24,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856642752] [2021-03-25 21:58:24,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:24,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:24,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:24,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:24,377 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41 [2021-03-25 21:58:24,377 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 21:58:24,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:24,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41 [2021-03-25 21:58:24,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:24,512 INFO L129 PetriNetUnfolder]: 118/223 cut-off events. [2021-03-25 21:58:24,513 INFO L130 PetriNetUnfolder]: For 513/577 co-relation queries the response was YES. [2021-03-25 21:58:24,513 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 21:58:24,515 INFO L132 encePairwiseOnDemand]: 35/41 looper letters, 44 selfloop transitions, 34 changer transitions 0/85 dead transitions. [2021-03-25 21:58:24,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 85 transitions, 812 flow [2021-03-25 21:58:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 21:58:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 21:58:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-25 21:58:24,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5365853658536586 [2021-03-25 21:58:24,516 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-25 21:58:24,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-25 21:58:24,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:24,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-25 21:58:24,517 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 21:58:24,518 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 21:58:24,518 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 21:58:24,518 INFO L185 Difference]: Start difference. First operand has 51 places, 69 transitions, 566 flow. Second operand 7 states and 154 transitions. [2021-03-25 21:58:24,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 85 transitions, 812 flow [2021-03-25 21:58:24,523 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 21:58:24,526 INFO L241 Difference]: Finished difference. Result has 56 places, 71 transitions, 577 flow [2021-03-25 21:58:24,527 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 21:58:24,527 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 35 predicate places. [2021-03-25 21:58:24,527 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:24,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 71 transitions, 577 flow [2021-03-25 21:58:24,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 71 transitions, 577 flow [2021-03-25 21:58:24,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 71 transitions, 577 flow [2021-03-25 21:58:24,544 INFO L129 PetriNetUnfolder]: 72/170 cut-off events. [2021-03-25 21:58:24,544 INFO L130 PetriNetUnfolder]: For 242/249 co-relation queries the response was YES. [2021-03-25 21:58:24,545 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 21:58:24,546 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-25 21:58:24,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:24,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:24,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-25 21:58:24,563 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 71 transitions, 577 flow [2021-03-25 21:58:24,563 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 21:58:24,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:24,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:24,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:24,780 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:24,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:24,780 INFO L82 PathProgramCache]: Analyzing trace with hash -250805210, now seen corresponding path program 1 times [2021-03-25 21:58:24,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:24,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074116313] [2021-03-25 21:58:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:24,804 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:24,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:24,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,829 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 21:58:24,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074116313] [2021-03-25 21:58:24,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634128804] [2021-03-25 21:58:24,829 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 21:58:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:24,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:24,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:24,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:24,887 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:24,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:24,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:24,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:24,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:24,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:24,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:24,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:24,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:24,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:24,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:24,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:24,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:24,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:24,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:24,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:24,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:24,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:24,934 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 21:58:24,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:24,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 21:58:24,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139352272] [2021-03-25 21:58:24,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 21:58:24,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:24,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 21:58:24,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 21:58:24,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 41 [2021-03-25 21:58:24,936 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 21:58:24,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:24,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 41 [2021-03-25 21:58:24,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:25,083 INFO L129 PetriNetUnfolder]: 124/241 cut-off events. [2021-03-25 21:58:25,084 INFO L130 PetriNetUnfolder]: For 492/539 co-relation queries the response was YES. [2021-03-25 21:58:25,084 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 21:58:25,086 INFO L132 encePairwiseOnDemand]: 32/41 looper letters, 51 selfloop transitions, 35 changer transitions 2/95 dead transitions. [2021-03-25 21:58:25,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 95 transitions, 900 flow [2021-03-25 21:58:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 21:58:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 21:58:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 183 transitions. [2021-03-25 21:58:25,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4959349593495935 [2021-03-25 21:58:25,087 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 183 transitions. [2021-03-25 21:58:25,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 183 transitions. [2021-03-25 21:58:25,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:25,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 183 transitions. [2021-03-25 21:58:25,088 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 21:58:25,089 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 21:58:25,089 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 21:58:25,089 INFO L185 Difference]: Start difference. First operand has 56 places, 71 transitions, 577 flow. Second operand 9 states and 183 transitions. [2021-03-25 21:58:25,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 95 transitions, 900 flow [2021-03-25 21:58:25,092 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 21:58:25,095 INFO L241 Difference]: Finished difference. Result has 64 places, 82 transitions, 728 flow [2021-03-25 21:58:25,095 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 21:58:25,095 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 43 predicate places. [2021-03-25 21:58:25,095 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:25,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 82 transitions, 728 flow [2021-03-25 21:58:25,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 82 transitions, 728 flow [2021-03-25 21:58:25,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 82 transitions, 728 flow [2021-03-25 21:58:25,107 INFO L129 PetriNetUnfolder]: 76/177 cut-off events. [2021-03-25 21:58:25,107 INFO L130 PetriNetUnfolder]: For 376/383 co-relation queries the response was YES. [2021-03-25 21:58:25,108 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 21:58:25,109 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-25 21:58:25,155 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 21:58:25,155 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:25,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-25 21:58:25,155 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 82 transitions, 733 flow [2021-03-25 21:58:25,156 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 21:58:25,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:25,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:25,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:25,378 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:25,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1666497221, now seen corresponding path program 4 times [2021-03-25 21:58:25,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:25,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396973241] [2021-03-25 21:58:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:25,438 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 21:58:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:58:25,473 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-25 21:58:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:25,483 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 21:58:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:25,493 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 21:58:25,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:25,501 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 21:58:25,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396973241] [2021-03-25 21:58:25,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455126666] [2021-03-25 21:58:25,502 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 21:58:25,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:58:25,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:25,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 21:58:25,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:25,555 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 21:58:25,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:25,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:25,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,639 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.0 percent of original size [2021-03-25 21:58:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 21:58:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 21:58:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 21:58:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 21:58:25,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 21:58:25,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 21:58:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 21:58:25,659 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-25 21:58:25,659 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 21:58:25,661 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 21:58:25,662 INFO L147 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size 10 [2021-03-25 21:58:25,662 INFO L142 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-03-25 21:58:25,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:25,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:25,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,670 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 21:58:25,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:7 [2021-03-25 21:58:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:25,691 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 21:58:25,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:25,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 21:58:25,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108793368] [2021-03-25 21:58:25,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:25,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:25,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:25,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 42 [2021-03-25 21:58:25,695 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 21:58:25,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:25,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 42 [2021-03-25 21:58:25,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:25,864 INFO L129 PetriNetUnfolder]: 130/250 cut-off events. [2021-03-25 21:58:25,864 INFO L130 PetriNetUnfolder]: For 702/738 co-relation queries the response was YES. [2021-03-25 21:58:25,865 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 21:58:25,867 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 70 selfloop transitions, 15 changer transitions 2/93 dead transitions. [2021-03-25 21:58:25,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 93 transitions, 985 flow [2021-03-25 21:58:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 21:58:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 21:58:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2021-03-25 21:58:25,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-03-25 21:58:25,868 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 109 transitions. [2021-03-25 21:58:25,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 109 transitions. [2021-03-25 21:58:25,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:25,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 109 transitions. [2021-03-25 21:58:25,869 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 21:58:25,869 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 21:58:25,869 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 21:58:25,869 INFO L185 Difference]: Start difference. First operand has 64 places, 82 transitions, 733 flow. Second operand 6 states and 109 transitions. [2021-03-25 21:58:25,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 93 transitions, 985 flow [2021-03-25 21:58:25,874 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 21:58:25,875 INFO L241 Difference]: Finished difference. Result has 68 places, 88 transitions, 793 flow [2021-03-25 21:58:25,876 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 21:58:25,876 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 47 predicate places. [2021-03-25 21:58:25,876 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:25,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 88 transitions, 793 flow [2021-03-25 21:58:25,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 88 transitions, 793 flow [2021-03-25 21:58:25,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 88 transitions, 793 flow [2021-03-25 21:58:25,889 INFO L129 PetriNetUnfolder]: 88/205 cut-off events. [2021-03-25 21:58:25,889 INFO L130 PetriNetUnfolder]: For 453/473 co-relation queries the response was YES. [2021-03-25 21:58:25,890 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 21:58:25,892 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-25 21:58:25,975 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:25,976 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:25,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-03-25 21:58:25,976 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 88 transitions, 797 flow [2021-03-25 21:58:25,976 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 21:58:25,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:25,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:26,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:26,192 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:26,192 INFO L82 PathProgramCache]: Analyzing trace with hash 100442105, now seen corresponding path program 1 times [2021-03-25 21:58:26,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:26,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220973627] [2021-03-25 21:58:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:26,205 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:26,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:26,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,214 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 21:58:26,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220973627] [2021-03-25 21:58:26,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 21:58:26,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 21:58:26,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405476771] [2021-03-25 21:58:26,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 21:58:26,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 21:58:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 21:58:26,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2021-03-25 21:58:26,216 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 21:58:26,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:26,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2021-03-25 21:58:26,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:26,270 INFO L129 PetriNetUnfolder]: 127/242 cut-off events. [2021-03-25 21:58:26,271 INFO L130 PetriNetUnfolder]: For 751/786 co-relation queries the response was YES. [2021-03-25 21:58:26,271 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 21:58:26,273 INFO L132 encePairwiseOnDemand]: 37/43 looper letters, 98 selfloop transitions, 17 changer transitions 3/125 dead transitions. [2021-03-25 21:58:26,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 125 transitions, 1334 flow [2021-03-25 21:58:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 21:58:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 21:58:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2021-03-25 21:58:26,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2021-03-25 21:58:26,274 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 110 transitions. [2021-03-25 21:58:26,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 110 transitions. [2021-03-25 21:58:26,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:26,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 110 transitions. [2021-03-25 21:58:26,275 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 21:58:26,276 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 21:58:26,276 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 21:58:26,276 INFO L185 Difference]: Start difference. First operand has 68 places, 88 transitions, 797 flow. Second operand 5 states and 110 transitions. [2021-03-25 21:58:26,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 125 transitions, 1334 flow [2021-03-25 21:58:26,281 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 21:58:26,285 INFO L241 Difference]: Finished difference. Result has 70 places, 87 transitions, 786 flow [2021-03-25 21:58:26,286 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 21:58:26,286 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 49 predicate places. [2021-03-25 21:58:26,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:26,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 87 transitions, 786 flow [2021-03-25 21:58:26,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 87 transitions, 786 flow [2021-03-25 21:58:26,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 87 transitions, 786 flow [2021-03-25 21:58:26,299 INFO L129 PetriNetUnfolder]: 83/197 cut-off events. [2021-03-25 21:58:26,300 INFO L130 PetriNetUnfolder]: For 419/424 co-relation queries the response was YES. [2021-03-25 21:58:26,300 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 21:58:26,302 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-25 21:58:26,312 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:26,312 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:26,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 21:58:26,312 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 87 transitions, 786 flow [2021-03-25 21:58:26,313 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 21:58:26,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:26,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:26,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 21:58:26,313 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:26,314 INFO L82 PathProgramCache]: Analyzing trace with hash -801679778, now seen corresponding path program 1 times [2021-03-25 21:58:26,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:26,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397345126] [2021-03-25 21:58:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:26,345 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 21:58:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:26,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:26,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:26,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:26,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,366 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 21:58:26,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397345126] [2021-03-25 21:58:26,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976314895] [2021-03-25 21:58:26,367 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 21:58:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:26,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:26,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:26,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:26,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:26,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:26,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:26,445 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:26,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:26,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:26,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:26,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:26,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:26,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:26,456 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 21:58:26,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:26,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 21:58:26,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939213521] [2021-03-25 21:58:26,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:26,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:26,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:26,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:26,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:26,458 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 21:58:26,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:26,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:26,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:26,562 INFO L129 PetriNetUnfolder]: 131/260 cut-off events. [2021-03-25 21:58:26,562 INFO L130 PetriNetUnfolder]: For 824/846 co-relation queries the response was YES. [2021-03-25 21:58:26,563 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 21:58:26,565 INFO L132 encePairwiseOnDemand]: 35/43 looper letters, 69 selfloop transitions, 23 changer transitions 0/99 dead transitions. [2021-03-25 21:58:26,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 99 transitions, 1073 flow [2021-03-25 21:58:26,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 21:58:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 21:58:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2021-03-25 21:58:26,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46511627906976744 [2021-03-25 21:58:26,566 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 140 transitions. [2021-03-25 21:58:26,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 140 transitions. [2021-03-25 21:58:26,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:26,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 140 transitions. [2021-03-25 21:58:26,567 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 21:58:26,568 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 21:58:26,569 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 21:58:26,569 INFO L185 Difference]: Start difference. First operand has 69 places, 87 transitions, 786 flow. Second operand 7 states and 140 transitions. [2021-03-25 21:58:26,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 99 transitions, 1073 flow [2021-03-25 21:58:26,573 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 21:58:26,575 INFO L241 Difference]: Finished difference. Result has 76 places, 93 transitions, 880 flow [2021-03-25 21:58:26,575 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 21:58:26,576 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 55 predicate places. [2021-03-25 21:58:26,576 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:26,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 93 transitions, 880 flow [2021-03-25 21:58:26,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 93 transitions, 880 flow [2021-03-25 21:58:26,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 93 transitions, 880 flow [2021-03-25 21:58:26,590 INFO L129 PetriNetUnfolder]: 86/202 cut-off events. [2021-03-25 21:58:26,590 INFO L130 PetriNetUnfolder]: For 482/490 co-relation queries the response was YES. [2021-03-25 21:58:26,591 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 21:58:26,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-25 21:58:26,606 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:26,606 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:26,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 21:58:26,607 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 93 transitions, 880 flow [2021-03-25 21:58:26,607 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 21:58:26,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:26,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:26,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-25 21:58:26,830 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:26,831 INFO L82 PathProgramCache]: Analyzing trace with hash -412224587, now seen corresponding path program 5 times [2021-03-25 21:58:26,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:26,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559297487] [2021-03-25 21:58:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:26,877 INFO L142 QuantifierPusher]: treesize reduction 41, result has 47.4 percent of original size [2021-03-25 21:58:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:26,909 INFO L142 QuantifierPusher]: treesize reduction 22, result has 73.2 percent of original size [2021-03-25 21:58:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 21:58:26,952 INFO L142 QuantifierPusher]: treesize reduction 31, result has 61.3 percent of original size [2021-03-25 21:58:26,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 21:58:26,993 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 21:58:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:27,007 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 21:58:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:27,017 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 21:58:27,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559297487] [2021-03-25 21:58:27,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179692053] [2021-03-25 21:58:27,018 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 21:58:27,042 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:27,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:27,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-25 21:58:27,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:27,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:27,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,111 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 21:58:27,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:27,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 21:58:27,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:27,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:58:27,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2021-03-25 21:58:27,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:27,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:27,139 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 21:58:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,148 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:58:27,150 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,175 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 21:58:27,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:27,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-03-25 21:58:27,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451168966] [2021-03-25 21:58:27,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:27,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:27,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:27,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:27,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2021-03-25 21:58:27,177 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 21:58:27,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:27,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2021-03-25 21:58:27,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:27,457 INFO L129 PetriNetUnfolder]: 161/310 cut-off events. [2021-03-25 21:58:27,458 INFO L130 PetriNetUnfolder]: For 1086/1112 co-relation queries the response was YES. [2021-03-25 21:58:27,459 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 21:58:27,461 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 82 selfloop transitions, 34 changer transitions 1/123 dead transitions. [2021-03-25 21:58:27,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 123 transitions, 1403 flow [2021-03-25 21:58:27,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 21:58:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 21:58:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 134 transitions. [2021-03-25 21:58:27,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44518272425249167 [2021-03-25 21:58:27,462 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 134 transitions. [2021-03-25 21:58:27,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 134 transitions. [2021-03-25 21:58:27,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:27,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 134 transitions. [2021-03-25 21:58:27,463 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 21:58:27,464 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 21:58:27,464 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 21:58:27,464 INFO L185 Difference]: Start difference. First operand has 76 places, 93 transitions, 880 flow. Second operand 7 states and 134 transitions. [2021-03-25 21:58:27,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 123 transitions, 1403 flow [2021-03-25 21:58:27,470 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 21:58:27,473 INFO L241 Difference]: Finished difference. Result has 85 places, 114 transitions, 1199 flow [2021-03-25 21:58:27,473 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 21:58:27,474 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 64 predicate places. [2021-03-25 21:58:27,474 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:27,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 114 transitions, 1199 flow [2021-03-25 21:58:27,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 114 transitions, 1199 flow [2021-03-25 21:58:27,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 114 transitions, 1199 flow [2021-03-25 21:58:27,507 INFO L129 PetriNetUnfolder]: 113/243 cut-off events. [2021-03-25 21:58:27,507 INFO L130 PetriNetUnfolder]: For 908/918 co-relation queries the response was YES. [2021-03-25 21:58:27,508 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 21:58:27,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-25 21:58:27,516 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:27,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:27,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-25 21:58:27,517 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 114 transitions, 1199 flow [2021-03-25 21:58:27,517 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 21:58:27,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:27,517 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:27,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:27,733 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:27,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:27,734 INFO L82 PathProgramCache]: Analyzing trace with hash 607572215, now seen corresponding path program 6 times [2021-03-25 21:58:27,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:27,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360426987] [2021-03-25 21:58:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:27,747 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:27,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:27,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,773 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 21:58:27,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360426987] [2021-03-25 21:58:27,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212034999] [2021-03-25 21:58:27,773 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 21:58:27,794 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 21:58:27,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:27,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:27,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:27,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:27,845 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:27,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:27,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:27,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:27,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:27,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:27,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:27,865 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 21:58:27,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:27,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:58:27,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056656926] [2021-03-25 21:58:27,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:27,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:27,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:27,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:27,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:27,867 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 21:58:27,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:27,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:27,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:28,067 INFO L129 PetriNetUnfolder]: 199/386 cut-off events. [2021-03-25 21:58:28,067 INFO L130 PetriNetUnfolder]: For 1739/1793 co-relation queries the response was YES. [2021-03-25 21:58:28,068 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 21:58:28,071 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 97 selfloop transitions, 48 changer transitions 0/152 dead transitions. [2021-03-25 21:58:28,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 152 transitions, 1858 flow [2021-03-25 21:58:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 226 transitions. [2021-03-25 21:58:28,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47780126849894294 [2021-03-25 21:58:28,073 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 226 transitions. [2021-03-25 21:58:28,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 226 transitions. [2021-03-25 21:58:28,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:28,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 226 transitions. [2021-03-25 21:58:28,074 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 21:58:28,075 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 21:58:28,075 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 21:58:28,075 INFO L185 Difference]: Start difference. First operand has 85 places, 114 transitions, 1199 flow. Second operand 11 states and 226 transitions. [2021-03-25 21:58:28,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 152 transitions, 1858 flow [2021-03-25 21:58:28,084 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 21:58:28,087 INFO L241 Difference]: Finished difference. Result has 99 places, 135 transitions, 1490 flow [2021-03-25 21:58:28,088 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 21:58:28,088 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 78 predicate places. [2021-03-25 21:58:28,088 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:28,088 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 135 transitions, 1490 flow [2021-03-25 21:58:28,088 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 135 transitions, 1490 flow [2021-03-25 21:58:28,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 135 transitions, 1490 flow [2021-03-25 21:58:28,110 INFO L129 PetriNetUnfolder]: 141/301 cut-off events. [2021-03-25 21:58:28,110 INFO L130 PetriNetUnfolder]: For 1284/1300 co-relation queries the response was YES. [2021-03-25 21:58:28,112 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 21:58:28,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-25 21:58:28,120 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:28,121 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:28,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-25 21:58:28,122 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 135 transitions, 1490 flow [2021-03-25 21:58:28,122 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 21:58:28,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:28,122 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:28,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-25 21:58:28,336 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:28,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:28,336 INFO L82 PathProgramCache]: Analyzing trace with hash -913164011, now seen corresponding path program 7 times [2021-03-25 21:58:28,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:28,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628486187] [2021-03-25 21:58:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:28,347 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:28,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,375 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:28,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:28,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:28,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,391 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 21:58:28,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628486187] [2021-03-25 21:58:28,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683536373] [2021-03-25 21:58:28,391 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 21:58:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:28,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:28,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:28,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:28,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:28,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:28,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:28,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:28,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:28,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:28,497 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 21:58:28,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:28,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:28,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551527761] [2021-03-25 21:58:28,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:28,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:28,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:28,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:28,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:28,501 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 21:58:28,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:28,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:28,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:28,735 INFO L129 PetriNetUnfolder]: 217/427 cut-off events. [2021-03-25 21:58:28,735 INFO L130 PetriNetUnfolder]: For 2476/2524 co-relation queries the response was YES. [2021-03-25 21:58:28,737 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 21:58:28,740 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 102 selfloop transitions, 51 changer transitions 0/160 dead transitions. [2021-03-25 21:58:28,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 160 transitions, 2056 flow [2021-03-25 21:58:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2021-03-25 21:58:28,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48414376321353064 [2021-03-25 21:58:28,743 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 229 transitions. [2021-03-25 21:58:28,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 229 transitions. [2021-03-25 21:58:28,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:28,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 229 transitions. [2021-03-25 21:58:28,744 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 21:58:28,744 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 21:58:28,745 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 21:58:28,745 INFO L185 Difference]: Start difference. First operand has 99 places, 135 transitions, 1490 flow. Second operand 11 states and 229 transitions. [2021-03-25 21:58:28,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 160 transitions, 2056 flow [2021-03-25 21:58:28,756 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 21:58:28,761 INFO L241 Difference]: Finished difference. Result has 108 places, 139 transitions, 1580 flow [2021-03-25 21:58:28,761 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 21:58:28,761 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 87 predicate places. [2021-03-25 21:58:28,761 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:28,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 139 transitions, 1580 flow [2021-03-25 21:58:28,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 139 transitions, 1580 flow [2021-03-25 21:58:28,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 139 transitions, 1580 flow [2021-03-25 21:58:28,788 INFO L129 PetriNetUnfolder]: 154/337 cut-off events. [2021-03-25 21:58:28,789 INFO L130 PetriNetUnfolder]: For 1706/1720 co-relation queries the response was YES. [2021-03-25 21:58:28,790 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 21:58:28,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-25 21:58:28,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:28,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:28,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-25 21:58:28,801 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 139 transitions, 1580 flow [2021-03-25 21:58:28,801 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 21:58:28,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:28,801 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:29,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 21:58:29,016 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:29,016 INFO L82 PathProgramCache]: Analyzing trace with hash -224191331, now seen corresponding path program 8 times [2021-03-25 21:58:29,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:29,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694356199] [2021-03-25 21:58:29,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:29,029 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,034 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:29,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,040 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:29,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,075 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 21:58:29,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694356199] [2021-03-25 21:58:29,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298824430] [2021-03-25 21:58:29,075 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 21:58:29,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:29,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:29,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:29,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:29,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:29,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:29,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:29,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:29,173 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:29,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:29,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,190 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 21:58:29,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:29,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:29,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683886152] [2021-03-25 21:58:29,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:29,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:29,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:29,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:29,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:29,193 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 21:58:29,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:29,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:29,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:29,414 INFO L129 PetriNetUnfolder]: 223/426 cut-off events. [2021-03-25 21:58:29,414 INFO L130 PetriNetUnfolder]: For 2839/2865 co-relation queries the response was YES. [2021-03-25 21:58:29,415 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 21:58:29,418 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 103 selfloop transitions, 51 changer transitions 0/161 dead transitions. [2021-03-25 21:58:29,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 161 transitions, 2137 flow [2021-03-25 21:58:29,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2021-03-25 21:58:29,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48414376321353064 [2021-03-25 21:58:29,420 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 229 transitions. [2021-03-25 21:58:29,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 229 transitions. [2021-03-25 21:58:29,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:29,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 229 transitions. [2021-03-25 21:58:29,421 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 21:58:29,421 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 21:58:29,421 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 21:58:29,422 INFO L185 Difference]: Start difference. First operand has 108 places, 139 transitions, 1580 flow. Second operand 11 states and 229 transitions. [2021-03-25 21:58:29,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 161 transitions, 2137 flow [2021-03-25 21:58:29,433 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 21:58:29,437 INFO L241 Difference]: Finished difference. Result has 113 places, 145 transitions, 1668 flow [2021-03-25 21:58:29,437 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 21:58:29,437 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 92 predicate places. [2021-03-25 21:58:29,437 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:29,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 145 transitions, 1668 flow [2021-03-25 21:58:29,438 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 145 transitions, 1668 flow [2021-03-25 21:58:29,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 145 transitions, 1668 flow [2021-03-25 21:58:29,462 INFO L129 PetriNetUnfolder]: 162/347 cut-off events. [2021-03-25 21:58:29,462 INFO L130 PetriNetUnfolder]: For 1677/1688 co-relation queries the response was YES. [2021-03-25 21:58:29,464 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 21:58:29,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-25 21:58:29,474 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:29,474 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:29,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 21:58:29,475 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 145 transitions, 1668 flow [2021-03-25 21:58:29,475 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 21:58:29,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:29,475 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:29,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 21:58:29,688 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:29,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:29,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1506016679, now seen corresponding path program 9 times [2021-03-25 21:58:29,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:29,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192518291] [2021-03-25 21:58:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:29,701 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:29,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,730 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 21:58:29,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192518291] [2021-03-25 21:58:29,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936351314] [2021-03-25 21:58:29,731 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 21:58:29,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:58:29,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:29,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:29,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,794 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:29,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:29,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:29,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:29,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:29,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:29,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:29,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:29,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:29,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:29,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:29,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:29,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:29,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:29,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:29,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:29,823 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 21:58:29,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:29,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:58:29,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399667947] [2021-03-25 21:58:29,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:29,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:29,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:29,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:29,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:29,825 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 21:58:29,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:29,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:29,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:30,051 INFO L129 PetriNetUnfolder]: 239/474 cut-off events. [2021-03-25 21:58:30,052 INFO L130 PetriNetUnfolder]: For 2881/2907 co-relation queries the response was YES. [2021-03-25 21:58:30,054 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 21:58:30,057 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 107 selfloop transitions, 78 changer transitions 0/192 dead transitions. [2021-03-25 21:58:30,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 192 transitions, 2653 flow [2021-03-25 21:58:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 21:58:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 21:58:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 267 transitions. [2021-03-25 21:58:30,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4776386404293381 [2021-03-25 21:58:30,059 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 267 transitions. [2021-03-25 21:58:30,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 267 transitions. [2021-03-25 21:58:30,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:30,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 267 transitions. [2021-03-25 21:58:30,060 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 21:58:30,061 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 21:58:30,061 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 21:58:30,061 INFO L185 Difference]: Start difference. First operand has 113 places, 145 transitions, 1668 flow. Second operand 13 states and 267 transitions. [2021-03-25 21:58:30,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 192 transitions, 2653 flow [2021-03-25 21:58:30,074 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 21:58:30,077 INFO L241 Difference]: Finished difference. Result has 125 places, 175 transitions, 2201 flow [2021-03-25 21:58:30,077 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 21:58:30,078 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 104 predicate places. [2021-03-25 21:58:30,078 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:30,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 175 transitions, 2201 flow [2021-03-25 21:58:30,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 175 transitions, 2201 flow [2021-03-25 21:58:30,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 175 transitions, 2201 flow [2021-03-25 21:58:30,110 INFO L129 PetriNetUnfolder]: 184/396 cut-off events. [2021-03-25 21:58:30,110 INFO L130 PetriNetUnfolder]: For 2227/2248 co-relation queries the response was YES. [2021-03-25 21:58:30,112 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 21:58:30,115 INFO L142 LiptonReduction]: Number of co-enabled transitions 408 [2021-03-25 21:58:30,125 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:30,125 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:30,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-25 21:58:30,125 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 175 transitions, 2201 flow [2021-03-25 21:58:30,126 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 21:58:30,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:30,126 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:30,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:30,348 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:30,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1763580143, now seen corresponding path program 10 times [2021-03-25 21:58:30,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:30,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619150232] [2021-03-25 21:58:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:30,362 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,387 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 21:58:30,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619150232] [2021-03-25 21:58:30,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034438915] [2021-03-25 21:58:30,387 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) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:30,439 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:58:30,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:30,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:30,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:30,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:30,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:30,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:30,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:30,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:30,477 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:30,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,487 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 21:58:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:30,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:30,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:30,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:30,494 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:30,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:30,502 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 21:58:30,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:30,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:58:30,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632534621] [2021-03-25 21:58:30,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:30,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:30,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:30,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:30,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:30,504 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 21:58:30,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:30,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:30,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:30,823 INFO L129 PetriNetUnfolder]: 264/559 cut-off events. [2021-03-25 21:58:30,823 INFO L130 PetriNetUnfolder]: For 4138/4186 co-relation queries the response was YES. [2021-03-25 21:58:30,826 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 21:58:30,830 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 110 selfloop transitions, 142 changer transitions 2/261 dead transitions. [2021-03-25 21:58:30,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 261 transitions, 3902 flow [2021-03-25 21:58:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 21:58:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 21:58:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 411 transitions. [2021-03-25 21:58:30,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45514950166112955 [2021-03-25 21:58:30,831 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 411 transitions. [2021-03-25 21:58:30,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 411 transitions. [2021-03-25 21:58:30,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:30,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 411 transitions. [2021-03-25 21:58:30,833 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 21:58:30,834 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 21:58:30,834 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 21:58:30,834 INFO L185 Difference]: Start difference. First operand has 125 places, 175 transitions, 2201 flow. Second operand 21 states and 411 transitions. [2021-03-25 21:58:30,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 261 transitions, 3902 flow [2021-03-25 21:58:30,853 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 21:58:30,858 INFO L241 Difference]: Finished difference. Result has 153 places, 233 transitions, 3481 flow [2021-03-25 21:58:30,858 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 21:58:30,858 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 132 predicate places. [2021-03-25 21:58:30,858 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:30,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 233 transitions, 3481 flow [2021-03-25 21:58:30,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 233 transitions, 3481 flow [2021-03-25 21:58:30,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 233 transitions, 3481 flow [2021-03-25 21:58:30,904 INFO L129 PetriNetUnfolder]: 214/482 cut-off events. [2021-03-25 21:58:30,904 INFO L130 PetriNetUnfolder]: For 4448/4456 co-relation queries the response was YES. [2021-03-25 21:58:30,907 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 21:58:30,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-25 21:58:30,927 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:30,927 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:30,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-25 21:58:30,928 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 233 transitions, 3481 flow [2021-03-25 21:58:30,928 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 21:58:30,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:30,928 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:31,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:31,144 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:31,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:31,144 INFO L82 PathProgramCache]: Analyzing trace with hash 332489406, now seen corresponding path program 1 times [2021-03-25 21:58:31,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:31,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410589903] [2021-03-25 21:58:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:31,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:31,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,184 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 21:58:31,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410589903] [2021-03-25 21:58:31,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321555395] [2021-03-25 21:58:31,184 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) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:31,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 21:58:31,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:31,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:31,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,277 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 21:58:31,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:31,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 21:58:31,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590358007] [2021-03-25 21:58:31,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 21:58:31,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:31,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 21:58:31,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 21:58:31,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2021-03-25 21:58:31,278 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 21:58:31,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:31,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2021-03-25 21:58:31,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:31,448 INFO L129 PetriNetUnfolder]: 357/735 cut-off events. [2021-03-25 21:58:31,448 INFO L130 PetriNetUnfolder]: For 9161/9187 co-relation queries the response was YES. [2021-03-25 21:58:31,452 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 21:58:31,458 INFO L132 encePairwiseOnDemand]: 38/43 looper letters, 218 selfloop transitions, 69 changer transitions 0/294 dead transitions. [2021-03-25 21:58:31,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 294 transitions, 4978 flow [2021-03-25 21:58:31,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 21:58:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 21:58:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-25 21:58:31,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5209302325581395 [2021-03-25 21:58:31,459 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-25 21:58:31,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-25 21:58:31,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:31,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-25 21:58:31,459 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 21:58:31,460 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 21:58:31,460 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 21:58:31,460 INFO L185 Difference]: Start difference. First operand has 153 places, 233 transitions, 3481 flow. Second operand 5 states and 112 transitions. [2021-03-25 21:58:31,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 294 transitions, 4978 flow [2021-03-25 21:58:31,503 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 21:58:31,508 INFO L241 Difference]: Finished difference. Result has 153 places, 247 transitions, 3547 flow [2021-03-25 21:58:31,508 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 21:58:31,508 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 132 predicate places. [2021-03-25 21:58:31,509 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:31,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 247 transitions, 3547 flow [2021-03-25 21:58:31,509 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 247 transitions, 3547 flow [2021-03-25 21:58:31,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 247 transitions, 3547 flow [2021-03-25 21:58:31,568 INFO L129 PetriNetUnfolder]: 268/621 cut-off events. [2021-03-25 21:58:31,568 INFO L130 PetriNetUnfolder]: For 5679/5717 co-relation queries the response was YES. [2021-03-25 21:58:31,572 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 21:58:31,577 INFO L142 LiptonReduction]: Number of co-enabled transitions 482 [2021-03-25 21:58:31,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:31,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:31,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-25 21:58:31,592 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 247 transitions, 3547 flow [2021-03-25 21:58:31,592 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 21:58:31,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:31,593 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:31,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-25 21:58:31,815 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:31,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1800160743, now seen corresponding path program 11 times [2021-03-25 21:58:31,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:31,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024754267] [2021-03-25 21:58:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:31,826 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:31,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,853 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 21:58:31,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024754267] [2021-03-25 21:58:31,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466073768] [2021-03-25 21:58:31,854 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 21:58:31,893 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:31,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:31,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:31,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:31,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:31,927 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:31,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:31,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:31,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:31,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:31,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:31,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:31,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:31,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:31,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:31,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:31,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:31,955 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 21:58:31,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:31,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:58:31,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203061297] [2021-03-25 21:58:31,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:31,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:31,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:31,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:31,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2021-03-25 21:58:31,956 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 21:58:31,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:31,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2021-03-25 21:58:31,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:32,247 INFO L129 PetriNetUnfolder]: 375/771 cut-off events. [2021-03-25 21:58:32,247 INFO L130 PetriNetUnfolder]: For 10180/10228 co-relation queries the response was YES. [2021-03-25 21:58:32,251 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 21:58:32,257 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 143 selfloop transitions, 123 changer transitions 0/273 dead transitions. [2021-03-25 21:58:32,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 273 transitions, 4503 flow [2021-03-25 21:58:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:58:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:58:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 289 transitions. [2021-03-25 21:58:32,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48006644518272423 [2021-03-25 21:58:32,258 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 289 transitions. [2021-03-25 21:58:32,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 289 transitions. [2021-03-25 21:58:32,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:32,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 289 transitions. [2021-03-25 21:58:32,259 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 21:58:32,260 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 21:58:32,260 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 21:58:32,260 INFO L185 Difference]: Start difference. First operand has 153 places, 247 transitions, 3547 flow. Second operand 14 states and 289 transitions. [2021-03-25 21:58:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 273 transitions, 4503 flow [2021-03-25 21:58:32,302 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 21:58:32,307 INFO L241 Difference]: Finished difference. Result has 167 places, 247 transitions, 3840 flow [2021-03-25 21:58:32,308 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 21:58:32,308 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 146 predicate places. [2021-03-25 21:58:32,308 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:32,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 247 transitions, 3840 flow [2021-03-25 21:58:32,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 247 transitions, 3840 flow [2021-03-25 21:58:32,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 247 transitions, 3840 flow [2021-03-25 21:58:32,361 INFO L129 PetriNetUnfolder]: 275/649 cut-off events. [2021-03-25 21:58:32,361 INFO L130 PetriNetUnfolder]: For 6652/6687 co-relation queries the response was YES. [2021-03-25 21:58:32,365 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 21:58:32,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-25 21:58:32,385 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:32,385 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:32,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-25 21:58:32,386 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 247 transitions, 3840 flow [2021-03-25 21:58:32,386 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 21:58:32,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:32,386 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:32,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:32,608 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:32,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:32,609 INFO L82 PathProgramCache]: Analyzing trace with hash 983462467, now seen corresponding path program 3 times [2021-03-25 21:58:32,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:32,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186373133] [2021-03-25 21:58:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:32,645 INFO L142 QuantifierPusher]: treesize reduction 38, result has 50.6 percent of original size [2021-03-25 21:58:32,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:58:32,671 INFO L142 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-03-25 21:58:32,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,693 INFO L142 QuantifierPusher]: treesize reduction 33, result has 65.3 percent of original size [2021-03-25 21:58:32,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 21:58:32,736 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-03-25 21:58:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,751 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 21:58:32,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:32,763 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 21:58:32,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186373133] [2021-03-25 21:58:32,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383880551] [2021-03-25 21:58:32,763 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 21:58:32,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:58:32,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:32,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 21:58:32,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:32,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:32,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,817 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 21:58:32,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-25 21:58:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:32,837 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 21:58:32,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:32,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:32,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:32,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:58:32,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:58:32,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:58:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:58:32,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:32,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:32,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:32,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:58:32,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:32,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:32,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:58:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:32,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:32,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:32,900 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 21:58:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:32,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:32,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:58:32,910 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:18 [2021-03-25 21:58:32,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:32,935 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 21:58:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:32,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:32,957 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 21:58:32,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:32,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 21:58:32,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647463037] [2021-03-25 21:58:32,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 21:58:32,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:32,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 21:58:32,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 21:58:32,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2021-03-25 21:58:32,959 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 21:58:32,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:32,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2021-03-25 21:58:32,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:33,305 INFO L129 PetriNetUnfolder]: 415/852 cut-off events. [2021-03-25 21:58:33,305 INFO L130 PetriNetUnfolder]: For 12372/12388 co-relation queries the response was YES. [2021-03-25 21:58:33,309 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 21:58:33,314 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 192 selfloop transitions, 88 changer transitions 2/288 dead transitions. [2021-03-25 21:58:33,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 288 transitions, 5004 flow [2021-03-25 21:58:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-03-25 21:58:33,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4312896405919662 [2021-03-25 21:58:33,316 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-03-25 21:58:33,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-03-25 21:58:33,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:33,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-03-25 21:58:33,317 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 21:58:33,317 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 21:58:33,317 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 21:58:33,318 INFO L185 Difference]: Start difference. First operand has 167 places, 247 transitions, 3840 flow. Second operand 11 states and 204 transitions. [2021-03-25 21:58:33,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 288 transitions, 5004 flow [2021-03-25 21:58:33,367 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 21:58:33,372 INFO L241 Difference]: Finished difference. Result has 168 places, 273 transitions, 4324 flow [2021-03-25 21:58:33,373 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 21:58:33,373 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 147 predicate places. [2021-03-25 21:58:33,373 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:33,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 273 transitions, 4324 flow [2021-03-25 21:58:33,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 273 transitions, 4324 flow [2021-03-25 21:58:33,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 273 transitions, 4324 flow [2021-03-25 21:58:33,444 INFO L129 PetriNetUnfolder]: 295/694 cut-off events. [2021-03-25 21:58:33,444 INFO L130 PetriNetUnfolder]: For 7989/8042 co-relation queries the response was YES. [2021-03-25 21:58:33,449 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 21:58:33,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-25 21:58:33,541 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:33,541 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:33,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-25 21:58:33,542 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 273 transitions, 4333 flow [2021-03-25 21:58:33,542 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 21:58:33,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:33,543 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:33,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-25 21:58:33,756 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:33,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:33,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1858013691, now seen corresponding path program 12 times [2021-03-25 21:58:33,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:33,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105867542] [2021-03-25 21:58:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:33,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 21:58:33,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:33,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:33,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:33,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:33,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:33,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:33,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,794 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 21:58:33,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105867542] [2021-03-25 21:58:33,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127970184] [2021-03-25 21:58:33,794 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 21:58:33,814 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 21:58:33,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:33,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:33,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:33,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,877 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:33,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:33,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:33,901 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 21:58:33,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:33,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-25 21:58:33,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627349851] [2021-03-25 21:58:33,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:33,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:33,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:33,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:33,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 21:58:33,903 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 21:58:33,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:33,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 21:58:33,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:34,234 INFO L129 PetriNetUnfolder]: 507/1067 cut-off events. [2021-03-25 21:58:34,234 INFO L130 PetriNetUnfolder]: For 17705/17729 co-relation queries the response was YES. [2021-03-25 21:58:34,239 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 21:58:34,247 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 234 selfloop transitions, 115 changer transitions 2/358 dead transitions. [2021-03-25 21:58:34,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 358 transitions, 6454 flow [2021-03-25 21:58:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:58:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:58:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 306 transitions. [2021-03-25 21:58:34,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4967532467532468 [2021-03-25 21:58:34,249 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 306 transitions. [2021-03-25 21:58:34,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 306 transitions. [2021-03-25 21:58:34,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:34,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 306 transitions. [2021-03-25 21:58:34,250 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 21:58:34,251 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 21:58:34,251 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 21:58:34,251 INFO L185 Difference]: Start difference. First operand has 168 places, 273 transitions, 4333 flow. Second operand 14 states and 306 transitions. [2021-03-25 21:58:34,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 358 transitions, 6454 flow [2021-03-25 21:58:34,336 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 21:58:34,341 INFO L241 Difference]: Finished difference. Result has 181 places, 293 transitions, 4843 flow [2021-03-25 21:58:34,341 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 21:58:34,341 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 160 predicate places. [2021-03-25 21:58:34,341 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:34,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 293 transitions, 4843 flow [2021-03-25 21:58:34,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 293 transitions, 4843 flow [2021-03-25 21:58:34,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 293 transitions, 4843 flow [2021-03-25 21:58:34,406 INFO L129 PetriNetUnfolder]: 340/831 cut-off events. [2021-03-25 21:58:34,406 INFO L130 PetriNetUnfolder]: For 11066/11142 co-relation queries the response was YES. [2021-03-25 21:58:34,410 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 21:58:34,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-25 21:58:34,432 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:34,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:34,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-25 21:58:34,433 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 293 transitions, 4843 flow [2021-03-25 21:58:34,433 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 21:58:34,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:34,433 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:34,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-25 21:58:34,648 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:34,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:34,648 INFO L82 PathProgramCache]: Analyzing trace with hash -266674347, now seen corresponding path program 13 times [2021-03-25 21:58:34,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:34,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148574415] [2021-03-25 21:58:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:34,660 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,665 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:34,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,685 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 21:58:34,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148574415] [2021-03-25 21:58:34,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913808660] [2021-03-25 21:58:34,685 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 21:58:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:34,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:34,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:34,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:34,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:34,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:34,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:34,768 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:34,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:34,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:34,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:34,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,773 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 21:58:34,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:34,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:34,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:34,777 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:34,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:34,786 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 21:58:34,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:34,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:58:34,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351927089] [2021-03-25 21:58:34,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:34,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:34,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:34,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:34,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:34,788 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 21:58:34,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:34,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:34,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:35,214 INFO L129 PetriNetUnfolder]: 605/1335 cut-off events. [2021-03-25 21:58:35,215 INFO L130 PetriNetUnfolder]: For 24363/24387 co-relation queries the response was YES. [2021-03-25 21:58:35,223 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 21:58:35,231 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 181 selfloop transitions, 201 changer transitions 5/394 dead transitions. [2021-03-25 21:58:35,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 394 transitions, 7430 flow [2021-03-25 21:58:35,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 21:58:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 21:58:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 454 transitions. [2021-03-25 21:58:35,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44861660079051385 [2021-03-25 21:58:35,233 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 454 transitions. [2021-03-25 21:58:35,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 454 transitions. [2021-03-25 21:58:35,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:35,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 454 transitions. [2021-03-25 21:58:35,234 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 21:58:35,236 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 21:58:35,236 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 21:58:35,236 INFO L185 Difference]: Start difference. First operand has 181 places, 293 transitions, 4843 flow. Second operand 23 states and 454 transitions. [2021-03-25 21:58:35,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 394 transitions, 7430 flow [2021-03-25 21:58:35,319 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 21:58:35,353 INFO L241 Difference]: Finished difference. Result has 202 places, 342 transitions, 5991 flow [2021-03-25 21:58:35,353 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 21:58:35,353 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 181 predicate places. [2021-03-25 21:58:35,354 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:35,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 342 transitions, 5991 flow [2021-03-25 21:58:35,354 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 342 transitions, 5991 flow [2021-03-25 21:58:35,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 342 transitions, 5991 flow [2021-03-25 21:58:35,440 INFO L129 PetriNetUnfolder]: 386/1013 cut-off events. [2021-03-25 21:58:35,440 INFO L130 PetriNetUnfolder]: For 15558/15654 co-relation queries the response was YES. [2021-03-25 21:58:35,448 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 21:58:35,456 INFO L142 LiptonReduction]: Number of co-enabled transitions 704 [2021-03-25 21:58:35,482 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:35,483 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:35,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-03-25 21:58:35,483 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 342 transitions, 5991 flow [2021-03-25 21:58:35,483 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 21:58:35,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:35,483 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:35,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-25 21:58:35,700 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:35,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:35,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1988585929, now seen corresponding path program 14 times [2021-03-25 21:58:35,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:35,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168583936] [2021-03-25 21:58:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:35,709 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:35,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:35,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,735 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 21:58:35,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168583936] [2021-03-25 21:58:35,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2327621] [2021-03-25 21:58:35,736 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 21:58:35,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:35,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:35,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:35,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:35,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:35,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:35,818 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:35,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:35,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:35,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:35,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:35,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:35,847 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 21:58:35,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:35,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:35,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051114167] [2021-03-25 21:58:35,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:35,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:35,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:35,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:35,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:35,848 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 21:58:35,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:35,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:35,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:36,200 INFO L129 PetriNetUnfolder]: 600/1311 cut-off events. [2021-03-25 21:58:36,200 INFO L130 PetriNetUnfolder]: For 27842/27856 co-relation queries the response was YES. [2021-03-25 21:58:36,209 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 21:58:36,220 INFO L132 encePairwiseOnDemand]: 34/44 looper letters, 210 selfloop transitions, 158 changer transitions 0/375 dead transitions. [2021-03-25 21:58:36,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 375 transitions, 7358 flow [2021-03-25 21:58:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 21:58:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 21:58:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 188 transitions. [2021-03-25 21:58:36,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47474747474747475 [2021-03-25 21:58:36,222 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 188 transitions. [2021-03-25 21:58:36,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 188 transitions. [2021-03-25 21:58:36,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:36,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 188 transitions. [2021-03-25 21:58:36,223 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 21:58:36,223 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 21:58:36,223 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 21:58:36,223 INFO L185 Difference]: Start difference. First operand has 202 places, 342 transitions, 5991 flow. Second operand 9 states and 188 transitions. [2021-03-25 21:58:36,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 375 transitions, 7358 flow [2021-03-25 21:58:36,356 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 21:58:36,365 INFO L241 Difference]: Finished difference. Result has 199 places, 362 transitions, 6415 flow [2021-03-25 21:58:36,365 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 21:58:36,365 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 178 predicate places. [2021-03-25 21:58:36,365 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:36,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 362 transitions, 6415 flow [2021-03-25 21:58:36,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 362 transitions, 6415 flow [2021-03-25 21:58:36,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 362 transitions, 6415 flow [2021-03-25 21:58:36,517 INFO L129 PetriNetUnfolder]: 414/1062 cut-off events. [2021-03-25 21:58:36,517 INFO L130 PetriNetUnfolder]: For 15767/15848 co-relation queries the response was YES. [2021-03-25 21:58:36,526 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 21:58:36,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 702 [2021-03-25 21:58:36,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:36,560 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:36,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-25 21:58:36,562 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 362 transitions, 6415 flow [2021-03-25 21:58:36,562 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 21:58:36,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:36,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:36,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-25 21:58:36,784 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:36,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:36,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1266257660, now seen corresponding path program 2 times [2021-03-25 21:58:36,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:36,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860665199] [2021-03-25 21:58:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:36,796 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:36,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:36,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,809 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 21:58:36,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860665199] [2021-03-25 21:58:36,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303245069] [2021-03-25 21:58:36,809 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 21:58:36,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:36,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:36,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 21:58:36,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:36,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:36,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:36,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:36,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:36,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:36,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:36,873 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:36,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:36,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:36,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:36,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:36,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:36,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:36,880 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:36,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:36,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:36,890 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 21:58:36,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:36,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 21:58:36,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491416702] [2021-03-25 21:58:36,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 21:58:36,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:36,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 21:58:36,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 21:58:36,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 21:58:36,891 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 21:58:36,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:36,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 21:58:36,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:37,146 INFO L129 PetriNetUnfolder]: 539/1239 cut-off events. [2021-03-25 21:58:37,147 INFO L130 PetriNetUnfolder]: For 24030/24054 co-relation queries the response was YES. [2021-03-25 21:58:37,153 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 21:58:37,158 INFO L132 encePairwiseOnDemand]: 38/44 looper letters, 387 selfloop transitions, 169 changer transitions 13/576 dead transitions. [2021-03-25 21:58:37,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 576 transitions, 11278 flow [2021-03-25 21:58:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:58:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:58:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 218 transitions. [2021-03-25 21:58:37,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4954545454545455 [2021-03-25 21:58:37,159 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 218 transitions. [2021-03-25 21:58:37,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 218 transitions. [2021-03-25 21:58:37,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:37,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 218 transitions. [2021-03-25 21:58:37,160 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 21:58:37,160 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 21:58:37,160 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 21:58:37,161 INFO L185 Difference]: Start difference. First operand has 199 places, 362 transitions, 6415 flow. Second operand 10 states and 218 transitions. [2021-03-25 21:58:37,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 576 transitions, 11278 flow [2021-03-25 21:58:37,247 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 21:58:37,255 INFO L241 Difference]: Finished difference. Result has 205 places, 407 transitions, 7294 flow [2021-03-25 21:58:37,256 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 21:58:37,256 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 184 predicate places. [2021-03-25 21:58:37,256 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:37,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 407 transitions, 7294 flow [2021-03-25 21:58:37,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 407 transitions, 7294 flow [2021-03-25 21:58:37,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 407 transitions, 7294 flow [2021-03-25 21:58:37,386 INFO L129 PetriNetUnfolder]: 428/1060 cut-off events. [2021-03-25 21:58:37,386 INFO L130 PetriNetUnfolder]: For 16848/16897 co-relation queries the response was YES. [2021-03-25 21:58:37,395 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 21:58:37,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 654 [2021-03-25 21:58:37,427 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:37,428 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:37,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-25 21:58:37,428 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 407 transitions, 7294 flow [2021-03-25 21:58:37,428 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 21:58:37,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:37,428 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:37,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-25 21:58:37,629 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:37,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:37,629 INFO L82 PathProgramCache]: Analyzing trace with hash 588632307, now seen corresponding path program 15 times [2021-03-25 21:58:37,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:37,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879675297] [2021-03-25 21:58:37,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:37,640 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:37,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:37,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:37,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,669 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 21:58:37,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879675297] [2021-03-25 21:58:37,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216770585] [2021-03-25 21:58:37,669 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 21:58:37,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 21:58:37,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:37,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:37,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:37,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:37,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:37,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:37,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:37,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:37,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:37,768 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:37,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:37,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:37,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:37,783 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:37,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:37,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:37,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:37,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:37,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:37,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:37,787 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:37,796 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 21:58:37,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:37,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:37,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207287472] [2021-03-25 21:58:37,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:37,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:37,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:37,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:37,799 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 21:58:37,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:37,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:37,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:38,218 INFO L129 PetriNetUnfolder]: 550/1262 cut-off events. [2021-03-25 21:58:38,218 INFO L130 PetriNetUnfolder]: For 25146/25160 co-relation queries the response was YES. [2021-03-25 21:58:38,227 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 21:58:38,234 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 235 selfloop transitions, 210 changer transitions 0/452 dead transitions. [2021-03-25 21:58:38,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 452 transitions, 9081 flow [2021-03-25 21:58:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 21:58:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 21:58:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 344 transitions. [2021-03-25 21:58:38,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45989304812834225 [2021-03-25 21:58:38,236 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 344 transitions. [2021-03-25 21:58:38,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 344 transitions. [2021-03-25 21:58:38,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:38,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 344 transitions. [2021-03-25 21:58:38,237 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 21:58:38,238 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 21:58:38,238 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 21:58:38,238 INFO L185 Difference]: Start difference. First operand has 204 places, 407 transitions, 7294 flow. Second operand 17 states and 344 transitions. [2021-03-25 21:58:38,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 452 transitions, 9081 flow [2021-03-25 21:58:38,375 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 21:58:38,384 INFO L241 Difference]: Finished difference. Result has 218 places, 420 transitions, 7592 flow [2021-03-25 21:58:38,384 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 21:58:38,385 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 197 predicate places. [2021-03-25 21:58:38,385 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:38,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 420 transitions, 7592 flow [2021-03-25 21:58:38,385 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 420 transitions, 7592 flow [2021-03-25 21:58:38,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 420 transitions, 7592 flow [2021-03-25 21:58:38,539 INFO L129 PetriNetUnfolder]: 438/1103 cut-off events. [2021-03-25 21:58:38,539 INFO L130 PetriNetUnfolder]: For 16161/16209 co-relation queries the response was YES. [2021-03-25 21:58:38,545 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 21:58:38,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-25 21:58:38,600 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:38,601 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:38,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-25 21:58:38,601 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 420 transitions, 7592 flow [2021-03-25 21:58:38,601 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 21:58:38,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:38,601 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:38,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:38,804 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:38,804 INFO L82 PathProgramCache]: Analyzing trace with hash -384632619, now seen corresponding path program 16 times [2021-03-25 21:58:38,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:38,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105883159] [2021-03-25 21:58:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:38,820 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:38,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:38,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:38,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:38,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,847 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 21:58:38,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105883159] [2021-03-25 21:58:38,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033601096] [2021-03-25 21:58:38,847 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 21:58:38,869 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:58:38,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:38,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:38,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:38,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:38,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:38,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:38,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:38,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:38,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:38,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:38,969 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 21:58:38,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:38,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:38,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134257927] [2021-03-25 21:58:38,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:38,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:38,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:38,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:38,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:38,970 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 21:58:38,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:38,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:38,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:39,368 INFO L129 PetriNetUnfolder]: 563/1288 cut-off events. [2021-03-25 21:58:39,368 INFO L130 PetriNetUnfolder]: For 22517/22531 co-relation queries the response was YES. [2021-03-25 21:58:39,375 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 21:58:39,383 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 276 selfloop transitions, 195 changer transitions 0/478 dead transitions. [2021-03-25 21:58:39,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 478 transitions, 9631 flow [2021-03-25 21:58:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 21:58:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 21:58:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 271 transitions. [2021-03-25 21:58:39,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4737762237762238 [2021-03-25 21:58:39,384 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 271 transitions. [2021-03-25 21:58:39,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 271 transitions. [2021-03-25 21:58:39,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:39,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 271 transitions. [2021-03-25 21:58:39,385 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 21:58:39,386 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 21:58:39,386 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 21:58:39,386 INFO L185 Difference]: Start difference. First operand has 218 places, 420 transitions, 7592 flow. Second operand 13 states and 271 transitions. [2021-03-25 21:58:39,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 478 transitions, 9631 flow [2021-03-25 21:58:39,529 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 21:58:39,538 INFO L241 Difference]: Finished difference. Result has 225 places, 442 transitions, 8226 flow [2021-03-25 21:58:39,539 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 21:58:39,539 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 204 predicate places. [2021-03-25 21:58:39,539 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:39,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 442 transitions, 8226 flow [2021-03-25 21:58:39,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 442 transitions, 8226 flow [2021-03-25 21:58:39,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 442 transitions, 8226 flow [2021-03-25 21:58:39,693 INFO L129 PetriNetUnfolder]: 455/1134 cut-off events. [2021-03-25 21:58:39,693 INFO L130 PetriNetUnfolder]: For 16981/17025 co-relation queries the response was YES. [2021-03-25 21:58:39,702 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 21:58:39,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 21:58:39,739 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:39,739 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:39,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 200 [2021-03-25 21:58:39,739 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 442 transitions, 8226 flow [2021-03-25 21:58:39,739 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 21:58:39,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:39,739 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:39,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-25 21:58:39,940 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:39,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:39,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2074104379, now seen corresponding path program 17 times [2021-03-25 21:58:39,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:39,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636346221] [2021-03-25 21:58:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:39,951 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:39,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:39,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:39,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:39,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:39,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:39,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:39,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:39,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:39,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:39,977 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 21:58:39,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636346221] [2021-03-25 21:58:39,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607415237] [2021-03-25 21:58:39,977 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 21:58:40,002 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 21:58:40,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:40,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:40,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:40,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:40,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:40,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:40,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:40,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:40,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:40,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:40,051 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:40,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:40,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:40,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:40,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:40,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:40,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:40,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:40,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:40,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:40,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:40,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:40,072 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 21:58:40,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:40,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:58:40,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034541481] [2021-03-25 21:58:40,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:40,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:40,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:40,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:40,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:40,073 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 21:58:40,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:40,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:40,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:40,448 INFO L129 PetriNetUnfolder]: 561/1279 cut-off events. [2021-03-25 21:58:40,448 INFO L130 PetriNetUnfolder]: For 22524/22555 co-relation queries the response was YES. [2021-03-25 21:58:40,455 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 21:58:40,461 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 265 selfloop transitions, 204 changer transitions 0/476 dead transitions. [2021-03-25 21:58:40,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 476 transitions, 9865 flow [2021-03-25 21:58:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 21:58:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 21:58:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 329 transitions. [2021-03-25 21:58:40,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46732954545454547 [2021-03-25 21:58:40,463 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 329 transitions. [2021-03-25 21:58:40,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 329 transitions. [2021-03-25 21:58:40,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:40,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 329 transitions. [2021-03-25 21:58:40,464 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 21:58:40,465 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 21:58:40,465 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 21:58:40,465 INFO L185 Difference]: Start difference. First operand has 225 places, 442 transitions, 8226 flow. Second operand 16 states and 329 transitions. [2021-03-25 21:58:40,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 476 transitions, 9865 flow [2021-03-25 21:58:40,612 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 21:58:40,622 INFO L241 Difference]: Finished difference. Result has 235 places, 450 transitions, 8639 flow [2021-03-25 21:58:40,622 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 21:58:40,623 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 214 predicate places. [2021-03-25 21:58:40,623 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:40,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 450 transitions, 8639 flow [2021-03-25 21:58:40,623 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 450 transitions, 8639 flow [2021-03-25 21:58:40,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 450 transitions, 8639 flow [2021-03-25 21:58:40,755 INFO L129 PetriNetUnfolder]: 445/1132 cut-off events. [2021-03-25 21:58:40,756 INFO L130 PetriNetUnfolder]: For 17990/18054 co-relation queries the response was YES. [2021-03-25 21:58:40,762 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 21:58:40,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 738 [2021-03-25 21:58:40,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:40,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:40,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-03-25 21:58:40,794 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 450 transitions, 8639 flow [2021-03-25 21:58:40,794 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 21:58:40,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:40,794 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:40,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:40,997 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:40,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash -356926989, now seen corresponding path program 18 times [2021-03-25 21:58:40,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:40,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656433673] [2021-03-25 21:58:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:41,006 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:41,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,010 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:41,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:41,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,031 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 21:58:41,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656433673] [2021-03-25 21:58:41,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074961809] [2021-03-25 21:58:41,031 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 21:58:41,049 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 21:58:41,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:41,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:41,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:41,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:41,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:41,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:41,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:41,105 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:58:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:41,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:58:41,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:41,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:41,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 21:58:41,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:41,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:58:41,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125899881] [2021-03-25 21:58:41,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:41,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:41,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:41,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:41,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:41,122 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 21:58:41,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:41,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:41,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:41,500 INFO L129 PetriNetUnfolder]: 561/1277 cut-off events. [2021-03-25 21:58:41,500 INFO L130 PetriNetUnfolder]: For 24394/24408 co-relation queries the response was YES. [2021-03-25 21:58:41,508 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 21:58:41,513 INFO L132 encePairwiseOnDemand]: 34/44 looper letters, 275 selfloop transitions, 191 changer transitions 0/473 dead transitions. [2021-03-25 21:58:41,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 473 transitions, 9980 flow [2021-03-25 21:58:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 21:58:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 21:58:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 252 transitions. [2021-03-25 21:58:41,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4772727272727273 [2021-03-25 21:58:41,514 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 252 transitions. [2021-03-25 21:58:41,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 252 transitions. [2021-03-25 21:58:41,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:41,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 252 transitions. [2021-03-25 21:58:41,515 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 21:58:41,515 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 21:58:41,515 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 21:58:41,515 INFO L185 Difference]: Start difference. First operand has 235 places, 450 transitions, 8639 flow. Second operand 12 states and 252 transitions. [2021-03-25 21:58:41,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 473 transitions, 9980 flow [2021-03-25 21:58:41,633 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 21:58:41,640 INFO L241 Difference]: Finished difference. Result has 236 places, 453 transitions, 8877 flow [2021-03-25 21:58:41,640 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 21:58:41,640 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 215 predicate places. [2021-03-25 21:58:41,640 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:41,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 453 transitions, 8877 flow [2021-03-25 21:58:41,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 453 transitions, 8877 flow [2021-03-25 21:58:41,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 453 transitions, 8877 flow [2021-03-25 21:58:41,755 INFO L129 PetriNetUnfolder]: 455/1139 cut-off events. [2021-03-25 21:58:41,755 INFO L130 PetriNetUnfolder]: For 18741/18802 co-relation queries the response was YES. [2021-03-25 21:58:41,766 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 21:58:41,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 742 [2021-03-25 21:58:41,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:41,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:41,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-25 21:58:41,801 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 453 transitions, 8877 flow [2021-03-25 21:58:41,801 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 21:58:41,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:41,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:42,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-25 21:58:42,002 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:42,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:42,002 INFO L82 PathProgramCache]: Analyzing trace with hash -808360022, now seen corresponding path program 3 times [2021-03-25 21:58:42,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:42,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015356118] [2021-03-25 21:58:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:42,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:42,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:42,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,027 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 21:58:42,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015356118] [2021-03-25 21:58:42,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820308048] [2021-03-25 21:58:42,028 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) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:42,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:58:42,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:42,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 21:58:42,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:42,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:42,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,082 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,087 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 21:58:42,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:42,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-25 21:58:42,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19512697] [2021-03-25 21:58:42,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 21:58:42,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:42,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 21:58:42,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 21:58:42,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2021-03-25 21:58:42,088 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 21:58:42,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:42,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2021-03-25 21:58:42,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:42,344 INFO L129 PetriNetUnfolder]: 574/1279 cut-off events. [2021-03-25 21:58:42,344 INFO L130 PetriNetUnfolder]: For 24384/24398 co-relation queries the response was YES. [2021-03-25 21:58:42,350 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 21:58:42,355 INFO L132 encePairwiseOnDemand]: 39/44 looper letters, 428 selfloop transitions, 39 changer transitions 0/474 dead transitions. [2021-03-25 21:58:42,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 474 transitions, 10115 flow [2021-03-25 21:58:42,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 21:58:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 21:58:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-25 21:58:42,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.509090909090909 [2021-03-25 21:58:42,356 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-25 21:58:42,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-25 21:58:42,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:42,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-25 21:58:42,356 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 21:58:42,356 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 21:58:42,356 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 21:58:42,357 INFO L185 Difference]: Start difference. First operand has 236 places, 453 transitions, 8877 flow. Second operand 5 states and 112 transitions. [2021-03-25 21:58:42,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 474 transitions, 10115 flow [2021-03-25 21:58:42,465 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 21:58:42,473 INFO L241 Difference]: Finished difference. Result has 230 places, 459 transitions, 8737 flow [2021-03-25 21:58:42,473 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 21:58:42,473 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 209 predicate places. [2021-03-25 21:58:42,473 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:42,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 459 transitions, 8737 flow [2021-03-25 21:58:42,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 459 transitions, 8737 flow [2021-03-25 21:58:42,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 459 transitions, 8737 flow [2021-03-25 21:58:42,588 INFO L129 PetriNetUnfolder]: 464/1143 cut-off events. [2021-03-25 21:58:42,589 INFO L130 PetriNetUnfolder]: For 18129/18173 co-relation queries the response was YES. [2021-03-25 21:58:42,596 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 21:58:42,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 730 [2021-03-25 21:58:42,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:42,630 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:42,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-03-25 21:58:42,631 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 459 transitions, 8737 flow [2021-03-25 21:58:42,631 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 21:58:42,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:42,631 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:42,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:42,832 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:42,833 INFO L82 PathProgramCache]: Analyzing trace with hash 25002635, now seen corresponding path program 19 times [2021-03-25 21:58:42,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:42,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448799668] [2021-03-25 21:58:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:42,838 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,858 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 21:58:42,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448799668] [2021-03-25 21:58:42,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113358473] [2021-03-25 21:58:42,858 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 21:58:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:42,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:42,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:42,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:42,903 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:42,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:42,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:42,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,912 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 21:58:42,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:42,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:42,922 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:42,928 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 21:58:42,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:42,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-25 21:58:42,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219885302] [2021-03-25 21:58:42,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 21:58:42,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:42,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 21:58:42,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 21:58:42,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:42,930 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 21:58:42,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:42,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:42,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:43,274 INFO L129 PetriNetUnfolder]: 607/1423 cut-off events. [2021-03-25 21:58:43,275 INFO L130 PetriNetUnfolder]: For 25436/25450 co-relation queries the response was YES. [2021-03-25 21:58:43,282 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 21:58:43,287 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 342 selfloop transitions, 178 changer transitions 3/530 dead transitions. [2021-03-25 21:58:43,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 530 transitions, 11310 flow [2021-03-25 21:58:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:58:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:58:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 276 transitions. [2021-03-25 21:58:43,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44805194805194803 [2021-03-25 21:58:43,288 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 276 transitions. [2021-03-25 21:58:43,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 276 transitions. [2021-03-25 21:58:43,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:43,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 276 transitions. [2021-03-25 21:58:43,289 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 21:58:43,290 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 21:58:43,290 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 21:58:43,290 INFO L185 Difference]: Start difference. First operand has 230 places, 459 transitions, 8737 flow. Second operand 14 states and 276 transitions. [2021-03-25 21:58:43,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 530 transitions, 11310 flow [2021-03-25 21:58:43,409 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 21:58:43,417 INFO L241 Difference]: Finished difference. Result has 245 places, 509 transitions, 10449 flow [2021-03-25 21:58:43,417 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 21:58:43,417 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 224 predicate places. [2021-03-25 21:58:43,417 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:43,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 509 transitions, 10449 flow [2021-03-25 21:58:43,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 509 transitions, 10449 flow [2021-03-25 21:58:43,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 509 transitions, 10449 flow [2021-03-25 21:58:43,548 INFO L129 PetriNetUnfolder]: 490/1255 cut-off events. [2021-03-25 21:58:43,548 INFO L130 PetriNetUnfolder]: For 23736/23798 co-relation queries the response was YES. [2021-03-25 21:58:43,556 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 21:58:43,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-25 21:58:43,595 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:43,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:43,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-25 21:58:43,596 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 509 transitions, 10449 flow [2021-03-25 21:58:43,596 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 21:58:43,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:43,596 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:43,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-25 21:58:43,812 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1621009649, now seen corresponding path program 20 times [2021-03-25 21:58:43,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:43,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855662173] [2021-03-25 21:58:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:43,821 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,837 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 21:58:43,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855662173] [2021-03-25 21:58:43,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850394837] [2021-03-25 21:58:43,837 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 21:58:43,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:43,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:43,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:43,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:43,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,871 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:43,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:43,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:43,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:43,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:43,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:43,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:43,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:43,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:43,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:43,919 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:43,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:43,923 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 21:58:43,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:43,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 21:58:43,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541947443] [2021-03-25 21:58:43,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 21:58:43,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:43,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 21:58:43,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 21:58:43,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2021-03-25 21:58:43,924 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 21:58:43,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:43,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2021-03-25 21:58:43,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:44,307 INFO L129 PetriNetUnfolder]: 620/1452 cut-off events. [2021-03-25 21:58:44,308 INFO L130 PetriNetUnfolder]: For 30971/31017 co-relation queries the response was YES. [2021-03-25 21:58:44,315 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 21:58:44,320 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 404 selfloop transitions, 150 changer transitions 0/561 dead transitions. [2021-03-25 21:58:44,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 561 transitions, 12744 flow [2021-03-25 21:58:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:58:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:58:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 209 transitions. [2021-03-25 21:58:44,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.475 [2021-03-25 21:58:44,321 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 209 transitions. [2021-03-25 21:58:44,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 209 transitions. [2021-03-25 21:58:44,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:44,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 209 transitions. [2021-03-25 21:58:44,322 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 21:58:44,322 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 21:58:44,322 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 21:58:44,322 INFO L185 Difference]: Start difference. First operand has 245 places, 509 transitions, 10449 flow. Second operand 10 states and 209 transitions. [2021-03-25 21:58:44,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 561 transitions, 12744 flow [2021-03-25 21:58:44,481 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 21:58:44,490 INFO L241 Difference]: Finished difference. Result has 251 places, 527 transitions, 11205 flow [2021-03-25 21:58:44,491 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 21:58:44,491 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 230 predicate places. [2021-03-25 21:58:44,491 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:44,491 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 527 transitions, 11205 flow [2021-03-25 21:58:44,491 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 527 transitions, 11205 flow [2021-03-25 21:58:44,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 527 transitions, 11205 flow [2021-03-25 21:58:44,636 INFO L129 PetriNetUnfolder]: 498/1286 cut-off events. [2021-03-25 21:58:44,636 INFO L130 PetriNetUnfolder]: For 26251/26302 co-relation queries the response was YES. [2021-03-25 21:58:44,645 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 21:58:44,654 INFO L142 LiptonReduction]: Number of co-enabled transitions 814 [2021-03-25 21:58:44,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:44,765 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:58:44,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-25 21:58:44,765 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 527 transitions, 11220 flow [2021-03-25 21:58:44,765 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 21:58:44,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:44,766 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:44,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:44,968 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash 175115330, now seen corresponding path program 2 times [2021-03-25 21:58:44,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:44,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197483231] [2021-03-25 21:58:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:45,019 INFO L142 QuantifierPusher]: treesize reduction 35, result has 52.7 percent of original size [2021-03-25 21:58:45,020 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size 36 [2021-03-25 21:58:45,045 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 21:58:45,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:45,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:58:45,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:58:45,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:45,093 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 21:58:45,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:45,104 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 21:58:45,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:45,112 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 21:58:45,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197483231] [2021-03-25 21:58:45,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712472735] [2021-03-25 21:58:45,112 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 21:58:45,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:45,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:45,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 21:58:45,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:45,152 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 21:58:45,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:45,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:45,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:45,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:45,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:45,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,159 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-03-25 21:58:45,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-25 21:58:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:58:45,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:58:45,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:58:45,175 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 21:58:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 21:58:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,198 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-03-25 21:58:45,198 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-03-25 21:58:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,222 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-03-25 21:58:45,222 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size [2021-03-25 21:58:45,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:45,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:45,228 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 21:58:45,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:45,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:45,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:45,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:58:45,233 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-03-25 21:58:45,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:45,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:45,253 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 21:58:45,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:45,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 21:58:45,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400717554] [2021-03-25 21:58:45,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 21:58:45,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:45,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 21:58:45,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-03-25 21:58:45,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-25 21:58:45,254 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 21:58:45,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:45,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-25 21:58:45,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:45,747 INFO L129 PetriNetUnfolder]: 640/1521 cut-off events. [2021-03-25 21:58:45,747 INFO L130 PetriNetUnfolder]: For 34990/35036 co-relation queries the response was YES. [2021-03-25 21:58:45,757 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 21:58:45,763 INFO L132 encePairwiseOnDemand]: 35/45 looper letters, 518 selfloop transitions, 44 changer transitions 2/570 dead transitions. [2021-03-25 21:58:45,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 570 transitions, 13528 flow [2021-03-25 21:58:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 21:58:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 21:58:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 198 transitions. [2021-03-25 21:58:45,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4 [2021-03-25 21:58:45,764 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 198 transitions. [2021-03-25 21:58:45,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 198 transitions. [2021-03-25 21:58:45,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:45,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 198 transitions. [2021-03-25 21:58:45,765 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 21:58:45,765 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 21:58:45,765 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 21:58:45,766 INFO L185 Difference]: Start difference. First operand has 251 places, 527 transitions, 11220 flow. Second operand 11 states and 198 transitions. [2021-03-25 21:58:45,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 570 transitions, 13528 flow [2021-03-25 21:58:45,953 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 21:58:45,963 INFO L241 Difference]: Finished difference. Result has 258 places, 559 transitions, 12110 flow [2021-03-25 21:58:45,963 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 21:58:45,963 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 237 predicate places. [2021-03-25 21:58:45,963 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:45,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 559 transitions, 12110 flow [2021-03-25 21:58:45,963 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 559 transitions, 12110 flow [2021-03-25 21:58:45,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 559 transitions, 12110 flow [2021-03-25 21:58:46,131 INFO L129 PetriNetUnfolder]: 518/1363 cut-off events. [2021-03-25 21:58:46,131 INFO L130 PetriNetUnfolder]: For 28917/28957 co-relation queries the response was YES. [2021-03-25 21:58:46,143 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 21:58:46,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 876 [2021-03-25 21:58:46,428 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 21:58:46,428 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 21:58:46,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-25 21:58:46,429 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 559 transitions, 12132 flow [2021-03-25 21:58:46,429 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 21:58:46,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:46,430 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:46,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-25 21:58:46,630 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:46,630 INFO L82 PathProgramCache]: Analyzing trace with hash -862175171, now seen corresponding path program 21 times [2021-03-25 21:58:46,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:46,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455187484] [2021-03-25 21:58:46,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:46,640 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 21:58:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,656 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 21:58:46,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455187484] [2021-03-25 21:58:46,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139322072] [2021-03-25 21:58:46,656 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 21:58:46,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:58:46,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:46,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:46,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:46,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:46,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:46,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:46,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:46,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:46,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:46,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:46,751 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:46,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:46,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:46,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:46,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:46,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:46,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:46,758 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 21:58:46,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:46,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 21:58:46,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688574595] [2021-03-25 21:58:46,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:46,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:46,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:46,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:46,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 48 [2021-03-25 21:58:46,759 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 21:58:46,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:46,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 48 [2021-03-25 21:58:46,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:47,253 INFO L129 PetriNetUnfolder]: 800/1836 cut-off events. [2021-03-25 21:58:47,253 INFO L130 PetriNetUnfolder]: For 43020/43066 co-relation queries the response was YES. [2021-03-25 21:58:47,271 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 21:58:47,280 INFO L132 encePairwiseOnDemand]: 37/48 looper letters, 536 selfloop transitions, 147 changer transitions 0/690 dead transitions. [2021-03-25 21:58:47,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 690 transitions, 15658 flow [2021-03-25 21:58:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:58:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:58:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 216 transitions. [2021-03-25 21:58:47,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-25 21:58:47,281 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 216 transitions. [2021-03-25 21:58:47,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 216 transitions. [2021-03-25 21:58:47,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:47,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 216 transitions. [2021-03-25 21:58:47,281 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 21:58:47,282 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 21:58:47,282 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 21:58:47,282 INFO L185 Difference]: Start difference. First operand has 258 places, 559 transitions, 12132 flow. Second operand 10 states and 216 transitions. [2021-03-25 21:58:47,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 690 transitions, 15658 flow [2021-03-25 21:58:47,504 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 21:58:47,516 INFO L241 Difference]: Finished difference. Result has 265 places, 630 transitions, 13524 flow [2021-03-25 21:58:47,517 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 21:58:47,517 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 244 predicate places. [2021-03-25 21:58:47,517 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:47,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 630 transitions, 13524 flow [2021-03-25 21:58:47,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 630 transitions, 13524 flow [2021-03-25 21:58:47,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 630 transitions, 13524 flow [2021-03-25 21:58:47,744 INFO L129 PetriNetUnfolder]: 636/1639 cut-off events. [2021-03-25 21:58:47,744 INFO L130 PetriNetUnfolder]: For 35284/35420 co-relation queries the response was YES. [2021-03-25 21:58:47,755 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 21:58:47,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-25 21:58:47,808 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:47,808 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:47,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 291 [2021-03-25 21:58:47,808 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 630 transitions, 13524 flow [2021-03-25 21:58:47,808 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 21:58:47,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:47,809 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:48,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:48,012 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:48,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:48,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1003965700, now seen corresponding path program 1 times [2021-03-25 21:58:48,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:48,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555933643] [2021-03-25 21:58:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:48,020 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:48,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,041 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 21:58:48,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555933643] [2021-03-25 21:58:48,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969449502] [2021-03-25 21:58:48,042 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 21:58:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:48,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 21:58:48,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:48,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:48,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:48,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:48,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:48,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:48,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:48,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:48,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:48,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:48,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:48,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:48,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:48,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:48,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:48,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:48,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:48,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:48,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:48,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:48,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:48,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:48,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:48,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:48,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:48,104 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 21:58:48,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:48,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-25 21:58:48,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685474102] [2021-03-25 21:58:48,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 21:58:48,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:48,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 21:58:48,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 21:58:48,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 48 [2021-03-25 21:58:48,105 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 21:58:48,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:48,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 48 [2021-03-25 21:58:48,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:48,675 INFO L129 PetriNetUnfolder]: 816/1886 cut-off events. [2021-03-25 21:58:48,675 INFO L130 PetriNetUnfolder]: For 45980/45994 co-relation queries the response was YES. [2021-03-25 21:58:48,691 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 21:58:48,699 INFO L132 encePairwiseOnDemand]: 35/48 looper letters, 585 selfloop transitions, 74 changer transitions 0/666 dead transitions. [2021-03-25 21:58:48,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 666 transitions, 15774 flow [2021-03-25 21:58:48,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 21:58:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 21:58:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 254 transitions. [2021-03-25 21:58:48,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40705128205128205 [2021-03-25 21:58:48,700 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 254 transitions. [2021-03-25 21:58:48,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 254 transitions. [2021-03-25 21:58:48,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:48,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 254 transitions. [2021-03-25 21:58:48,701 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 21:58:48,702 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 21:58:48,702 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 21:58:48,702 INFO L185 Difference]: Start difference. First operand has 265 places, 630 transitions, 13524 flow. Second operand 13 states and 254 transitions. [2021-03-25 21:58:48,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 666 transitions, 15774 flow [2021-03-25 21:58:48,992 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 21:58:49,003 INFO L241 Difference]: Finished difference. Result has 278 places, 655 transitions, 14335 flow [2021-03-25 21:58:49,003 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 21:58:49,003 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 257 predicate places. [2021-03-25 21:58:49,003 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:49,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 655 transitions, 14335 flow [2021-03-25 21:58:49,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 655 transitions, 14335 flow [2021-03-25 21:58:49,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 655 transitions, 14335 flow [2021-03-25 21:58:49,204 INFO L129 PetriNetUnfolder]: 648/1684 cut-off events. [2021-03-25 21:58:49,204 INFO L130 PetriNetUnfolder]: For 38467/38606 co-relation queries the response was YES. [2021-03-25 21:58:49,215 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 21:58:49,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-25 21:58:49,275 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:49,275 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:49,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-25 21:58:49,275 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 655 transitions, 14335 flow [2021-03-25 21:58:49,275 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 21:58:49,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:49,275 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:49,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-25 21:58:49,476 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:49,476 INFO L82 PathProgramCache]: Analyzing trace with hash 110239022, now seen corresponding path program 1 times [2021-03-25 21:58:49,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:49,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343035259] [2021-03-25 21:58:49,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:49,496 INFO L142 QuantifierPusher]: treesize reduction 47, result has 39.0 percent of original size [2021-03-25 21:58:49,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:58:49,513 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-25 21:58:49,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:49,521 INFO L142 QuantifierPusher]: treesize reduction 47, result has 51.5 percent of original size [2021-03-25 21:58:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 21:58:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:58:49,561 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 21:58:49,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:49,568 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 21:58:49,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343035259] [2021-03-25 21:58:49,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518756040] [2021-03-25 21:58:49,569 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) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:49,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-25 21:58:49,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:49,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,611 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 21:58:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:49,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:49,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:49,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,627 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 21:58:49,627 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 21:58:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:49,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:58:49,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:49,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:58:49,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:58:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:49,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:49,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:58:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:58:49,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:49,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:49,681 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 21:58:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:49,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:49,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,687 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 21:58:49,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 21:58:49,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:49,706 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 21:58:49,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:49,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 21:58:49,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903963250] [2021-03-25 21:58:49,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 21:58:49,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:49,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 21:58:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-25 21:58:49,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2021-03-25 21:58:49,707 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 21:58:49,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:49,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2021-03-25 21:58:49,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:50,288 INFO L129 PetriNetUnfolder]: 819/1898 cut-off events. [2021-03-25 21:58:50,288 INFO L130 PetriNetUnfolder]: For 47743/47767 co-relation queries the response was YES. [2021-03-25 21:58:50,301 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 21:58:50,309 INFO L132 encePairwiseOnDemand]: 36/48 looper letters, 632 selfloop transitions, 24 changer transitions 4/666 dead transitions. [2021-03-25 21:58:50,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 666 transitions, 15850 flow [2021-03-25 21:58:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 21:58:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 21:58:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 159 transitions. [2021-03-25 21:58:50,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3680555555555556 [2021-03-25 21:58:50,310 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 159 transitions. [2021-03-25 21:58:50,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 159 transitions. [2021-03-25 21:58:50,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:50,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 159 transitions. [2021-03-25 21:58:50,310 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 21:58:50,311 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 21:58:50,311 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 21:58:50,311 INFO L185 Difference]: Start difference. First operand has 278 places, 655 transitions, 14335 flow. Second operand 9 states and 159 transitions. [2021-03-25 21:58:50,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 666 transitions, 15850 flow [2021-03-25 21:58:50,592 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 21:58:50,606 INFO L241 Difference]: Finished difference. Result has 281 places, 660 transitions, 14350 flow [2021-03-25 21:58:50,607 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 21:58:50,607 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 260 predicate places. [2021-03-25 21:58:50,607 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:50,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 660 transitions, 14350 flow [2021-03-25 21:58:50,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 660 transitions, 14350 flow [2021-03-25 21:58:50,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 660 transitions, 14350 flow [2021-03-25 21:58:50,904 INFO L129 PetriNetUnfolder]: 654/1701 cut-off events. [2021-03-25 21:58:50,904 INFO L130 PetriNetUnfolder]: For 38022/38143 co-relation queries the response was YES. [2021-03-25 21:58:50,918 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 21:58:50,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-25 21:58:50,979 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:50,979 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:50,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 372 [2021-03-25 21:58:50,980 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 660 transitions, 14350 flow [2021-03-25 21:58:50,980 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 21:58:50,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:50,980 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:51,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-25 21:58:51,181 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash -422335088, now seen corresponding path program 2 times [2021-03-25 21:58:51,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:51,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456082204] [2021-03-25 21:58:51,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:51,202 INFO L142 QuantifierPusher]: treesize reduction 47, result has 39.0 percent of original size [2021-03-25 21:58:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:58:51,222 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-25 21:58:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:58:51,232 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size [2021-03-25 21:58:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:58:51,246 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-03-25 21:58:51,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 21:58:51,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:51,277 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-03-25 21:58:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:58:51,291 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 21:58:51,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:51,301 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 21:58:51,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456082204] [2021-03-25 21:58:51,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252307165] [2021-03-25 21:58:51,302 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 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 21:58:51,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:51,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:51,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-25 21:58:51,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:51,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:58:51,365 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 21:58:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:58:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,392 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-25 21:58:51,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 21:58:51,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,434 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-03-25 21:58:51,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 21:58:51,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:51,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:51,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:51,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:58:51,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,465 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-25 21:58:51,466 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-25 21:58:51,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:58:51,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:58:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:58:51,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:58:51,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:58:51,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:51,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:58:51,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:58:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:58:51,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:51,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:58:51,481 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 21:58:51,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:51,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:51,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:58:51,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,490 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 21:58:51,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:7 [2021-03-25 21:58:51,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:51,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:51,517 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 21:58:51,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:51,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-03-25 21:58:51,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333967561] [2021-03-25 21:58:51,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 21:58:51,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:51,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 21:58:51,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-03-25 21:58:51,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2021-03-25 21:58:51,518 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 21:58:51,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:51,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2021-03-25 21:58:51,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:52,234 INFO L129 PetriNetUnfolder]: 845/1978 cut-off events. [2021-03-25 21:58:52,234 INFO L130 PetriNetUnfolder]: For 48466/48490 co-relation queries the response was YES. [2021-03-25 21:58:52,250 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 21:58:52,258 INFO L132 encePairwiseOnDemand]: 36/48 looper letters, 635 selfloop transitions, 71 changer transitions 3/715 dead transitions. [2021-03-25 21:58:52,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 715 transitions, 16725 flow [2021-03-25 21:58:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 21:58:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 21:58:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 221 transitions. [2021-03-25 21:58:52,259 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3836805555555556 [2021-03-25 21:58:52,259 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 221 transitions. [2021-03-25 21:58:52,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 221 transitions. [2021-03-25 21:58:52,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:52,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 221 transitions. [2021-03-25 21:58:52,260 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 21:58:52,261 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 21:58:52,261 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 21:58:52,261 INFO L185 Difference]: Start difference. First operand has 281 places, 660 transitions, 14350 flow. Second operand 12 states and 221 transitions. [2021-03-25 21:58:52,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 715 transitions, 16725 flow [2021-03-25 21:58:52,578 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 21:58:52,594 INFO L241 Difference]: Finished difference. Result has 290 places, 699 transitions, 15226 flow [2021-03-25 21:58:52,594 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 21:58:52,595 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 269 predicate places. [2021-03-25 21:58:52,595 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:52,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 699 transitions, 15226 flow [2021-03-25 21:58:52,595 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 699 transitions, 15226 flow [2021-03-25 21:58:52,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 699 transitions, 15226 flow [2021-03-25 21:58:52,905 INFO L129 PetriNetUnfolder]: 671/1734 cut-off events. [2021-03-25 21:58:52,905 INFO L130 PetriNetUnfolder]: For 39921/40039 co-relation queries the response was YES. [2021-03-25 21:58:52,918 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 21:58:52,931 INFO L142 LiptonReduction]: Number of co-enabled transitions 978 [2021-03-25 21:58:53,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:53,219 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 21:58:53,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-25 21:58:53,219 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 699 transitions, 15261 flow [2021-03-25 21:58:53,220 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 21:58:53,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:53,220 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:53,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-25 21:58:53,424 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:53,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2092400115, now seen corresponding path program 22 times [2021-03-25 21:58:53,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:53,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075360419] [2021-03-25 21:58:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:53,431 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:53,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,436 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:53,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:53,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,458 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 21:58:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075360419] [2021-03-25 21:58:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360244943] [2021-03-25 21:58:53,458 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 21:58:53,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:58:53,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:53,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:53,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:53,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:53,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:53,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:53,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:53,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,515 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 21:58:53,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:53,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:53,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:53,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:53,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:53,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:53,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:53,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:53,522 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:53,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:53,534 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 21:58:53,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:53,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:58:53,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644089289] [2021-03-25 21:58:53,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:53,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:53,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:53,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:53,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:58:53,536 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 21:58:53,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:53,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:58:53,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:54,358 INFO L129 PetriNetUnfolder]: 930/2205 cut-off events. [2021-03-25 21:58:54,358 INFO L130 PetriNetUnfolder]: For 56675/56710 co-relation queries the response was YES. [2021-03-25 21:58:54,372 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 21:58:54,381 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 503 selfloop transitions, 309 changer transitions 5/824 dead transitions. [2021-03-25 21:58:54,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 824 transitions, 19870 flow [2021-03-25 21:58:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 21:58:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 21:58:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 362 transitions. [2021-03-25 21:58:54,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4022222222222222 [2021-03-25 21:58:54,382 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 362 transitions. [2021-03-25 21:58:54,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 362 transitions. [2021-03-25 21:58:54,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:54,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 362 transitions. [2021-03-25 21:58:54,386 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 21:58:54,387 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 21:58:54,387 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 21:58:54,387 INFO L185 Difference]: Start difference. First operand has 290 places, 699 transitions, 15261 flow. Second operand 18 states and 362 transitions. [2021-03-25 21:58:54,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 824 transitions, 19870 flow [2021-03-25 21:58:54,699 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 21:58:54,715 INFO L241 Difference]: Finished difference. Result has 310 places, 775 transitions, 17783 flow [2021-03-25 21:58:54,715 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 21:58:54,716 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 289 predicate places. [2021-03-25 21:58:54,716 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:54,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 775 transitions, 17783 flow [2021-03-25 21:58:54,716 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 775 transitions, 17783 flow [2021-03-25 21:58:54,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 775 transitions, 17783 flow [2021-03-25 21:58:55,027 INFO L129 PetriNetUnfolder]: 766/1986 cut-off events. [2021-03-25 21:58:55,027 INFO L130 PetriNetUnfolder]: For 52177/52294 co-relation queries the response was YES. [2021-03-25 21:58:55,043 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 21:58:55,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 21:58:55,130 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:55,130 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:55,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-25 21:58:55,131 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 775 transitions, 17783 flow [2021-03-25 21:58:55,131 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 21:58:55,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:55,131 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:55,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-25 21:58:55,331 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash -271013497, now seen corresponding path program 1 times [2021-03-25 21:58:55,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:55,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614885970] [2021-03-25 21:58:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:55,341 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-25 21:58:55,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:55,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:55,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:55,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,362 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 21:58:55,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614885970] [2021-03-25 21:58:55,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638566129] [2021-03-25 21:58:55,362 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 21:58:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:55,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 21:58:55,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:55,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:58:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:55,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:55,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:55,448 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 21:58:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:58:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:55,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:55,455 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 21:58:55,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:55,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-25 21:58:55,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631368193] [2021-03-25 21:58:55,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:58:55,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:58:55,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:58:55,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:58:55,457 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 21:58:55,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:55,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:58:55,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:56,139 INFO L129 PetriNetUnfolder]: 942/2194 cut-off events. [2021-03-25 21:58:56,139 INFO L130 PetriNetUnfolder]: For 66267/66301 co-relation queries the response was YES. [2021-03-25 21:58:56,158 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 21:58:56,167 INFO L132 encePairwiseOnDemand]: 37/50 looper letters, 732 selfloop transitions, 71 changer transitions 0/810 dead transitions. [2021-03-25 21:58:56,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 810 transitions, 20060 flow [2021-03-25 21:58:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 21:58:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 21:58:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 254 transitions. [2021-03-25 21:58:56,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39076923076923076 [2021-03-25 21:58:56,168 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 254 transitions. [2021-03-25 21:58:56,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 254 transitions. [2021-03-25 21:58:56,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:56,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 254 transitions. [2021-03-25 21:58:56,168 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 21:58:56,169 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 21:58:56,169 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 21:58:56,169 INFO L185 Difference]: Start difference. First operand has 309 places, 775 transitions, 17783 flow. Second operand 13 states and 254 transitions. [2021-03-25 21:58:56,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 810 transitions, 20060 flow [2021-03-25 21:58:56,574 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 21:58:56,589 INFO L241 Difference]: Finished difference. Result has 315 places, 795 transitions, 18041 flow [2021-03-25 21:58:56,590 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 21:58:56,590 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 294 predicate places. [2021-03-25 21:58:56,590 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:56,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 795 transitions, 18041 flow [2021-03-25 21:58:56,590 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 795 transitions, 18041 flow [2021-03-25 21:58:56,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 795 transitions, 18041 flow [2021-03-25 21:58:56,918 INFO L129 PetriNetUnfolder]: 777/2007 cut-off events. [2021-03-25 21:58:56,918 INFO L130 PetriNetUnfolder]: For 51721/51813 co-relation queries the response was YES. [2021-03-25 21:58:56,932 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 21:58:56,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 21:58:57,013 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:57,013 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:57,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 423 [2021-03-25 21:58:57,014 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 795 transitions, 18041 flow [2021-03-25 21:58:57,014 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 21:58:57,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:57,014 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:57,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:57,215 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1457864683, now seen corresponding path program 23 times [2021-03-25 21:58:57,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:57,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217606545] [2021-03-25 21:58:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:57,222 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,240 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:57,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:57,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:57,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,267 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 21:58:57,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217606545] [2021-03-25 21:58:57,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651471606] [2021-03-25 21:58:57,268 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 21:58:57,288 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:58:57,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:57,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:57,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:57,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:57,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:57,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,315 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:57,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:57,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:57,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:57,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:57,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:57,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:57,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:57,333 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:58:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:57,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:57,340 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 21:58:57,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:57,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:58:57,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449711756] [2021-03-25 21:58:57,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:58:57,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:57,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:58:57,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:58:57,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:58:57,341 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 21:58:57,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:57,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:58:57,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:58:58,124 INFO L129 PetriNetUnfolder]: 940/2210 cut-off events. [2021-03-25 21:58:58,124 INFO L130 PetriNetUnfolder]: For 64276/64310 co-relation queries the response was YES. [2021-03-25 21:58:58,142 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 21:58:58,151 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 579 selfloop transitions, 247 changer transitions 3/836 dead transitions. [2021-03-25 21:58:58,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 836 transitions, 20657 flow [2021-03-25 21:58:58,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:58:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:58:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 285 transitions. [2021-03-25 21:58:58,152 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40714285714285714 [2021-03-25 21:58:58,152 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 285 transitions. [2021-03-25 21:58:58,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 285 transitions. [2021-03-25 21:58:58,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:58:58,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 285 transitions. [2021-03-25 21:58:58,153 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 21:58:58,154 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 21:58:58,154 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 21:58:58,154 INFO L185 Difference]: Start difference. First operand has 315 places, 795 transitions, 18041 flow. Second operand 14 states and 285 transitions. [2021-03-25 21:58:58,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 836 transitions, 20657 flow [2021-03-25 21:58:58,604 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 21:58:58,620 INFO L241 Difference]: Finished difference. Result has 330 places, 813 transitions, 19004 flow [2021-03-25 21:58:58,621 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 21:58:58,621 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 309 predicate places. [2021-03-25 21:58:58,621 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:58:58,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 813 transitions, 19004 flow [2021-03-25 21:58:58,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 813 transitions, 19004 flow [2021-03-25 21:58:58,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 329 places, 813 transitions, 19004 flow [2021-03-25 21:58:58,939 INFO L129 PetriNetUnfolder]: 783/1989 cut-off events. [2021-03-25 21:58:58,939 INFO L130 PetriNetUnfolder]: For 56648/56748 co-relation queries the response was YES. [2021-03-25 21:58:58,958 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 21:58:58,974 INFO L142 LiptonReduction]: Number of co-enabled transitions 1072 [2021-03-25 21:58:59,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:58:59,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:58:59,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-03-25 21:58:59,048 INFO L480 AbstractCegarLoop]: Abstraction has has 329 places, 813 transitions, 19004 flow [2021-03-25 21:58:59,048 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 21:58:59,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:58:59,048 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:58:59,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-25 21:58:59,249 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:58:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:58:59,249 INFO L82 PathProgramCache]: Analyzing trace with hash -488385997, now seen corresponding path program 24 times [2021-03-25 21:58:59,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:58:59,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356886397] [2021-03-25 21:58:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:58:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:58:59,255 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:58:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:58:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:59,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:59,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:59,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:59,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,280 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 21:58:59,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356886397] [2021-03-25 21:58:59,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575794468] [2021-03-25 21:58:59,280 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) [2021-03-25 21:58:59,317 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 21:58:59,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:58:59,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:58:59,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:58:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:58:59,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:59,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:58:59,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:59,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:58:59,350 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:58:59,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:58:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:59,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:58:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:58:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:58:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:59,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:59,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:59,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:58:59,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:58:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:58:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:58:59,366 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:58:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:58:59,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:58:59,374 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 21:58:59,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:58:59,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:58:59,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522022770] [2021-03-25 21:58:59,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:58:59,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:58:59,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:58:59,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:58:59,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:58:59,375 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 21:58:59,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:58:59,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:58:59,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:00,340 INFO L129 PetriNetUnfolder]: 972/2324 cut-off events. [2021-03-25 21:59:00,340 INFO L130 PetriNetUnfolder]: For 75292/75326 co-relation queries the response was YES. [2021-03-25 21:59:00,357 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 21:59:00,366 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 580 selfloop transitions, 340 changer transitions 0/927 dead transitions. [2021-03-25 21:59:00,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 927 transitions, 23893 flow [2021-03-25 21:59:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 21:59:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 21:59:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 337 transitions. [2021-03-25 21:59:00,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42125 [2021-03-25 21:59:00,367 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 337 transitions. [2021-03-25 21:59:00,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 337 transitions. [2021-03-25 21:59:00,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:00,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 337 transitions. [2021-03-25 21:59:00,367 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 21:59:00,368 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 21:59:00,368 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 21:59:00,368 INFO L185 Difference]: Start difference. First operand has 329 places, 813 transitions, 19004 flow. Second operand 16 states and 337 transitions. [2021-03-25 21:59:00,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 927 transitions, 23893 flow [2021-03-25 21:59:00,938 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 21:59:00,954 INFO L241 Difference]: Finished difference. Result has 346 places, 860 transitions, 21104 flow [2021-03-25 21:59:00,954 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 21:59:00,955 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 325 predicate places. [2021-03-25 21:59:00,955 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:00,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 860 transitions, 21104 flow [2021-03-25 21:59:00,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 860 transitions, 21104 flow [2021-03-25 21:59:00,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 860 transitions, 21104 flow [2021-03-25 21:59:01,295 INFO L129 PetriNetUnfolder]: 816/2169 cut-off events. [2021-03-25 21:59:01,296 INFO L130 PetriNetUnfolder]: For 66804/66921 co-relation queries the response was YES. [2021-03-25 21:59:01,315 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 21:59:01,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 1120 [2021-03-25 21:59:01,419 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:01,419 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:01,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-25 21:59:01,420 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 860 transitions, 21104 flow [2021-03-25 21:59:01,420 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 21:59:01,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:01,420 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:01,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-25 21:59:01,620 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:01,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:01,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1970497685, now seen corresponding path program 25 times [2021-03-25 21:59:01,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:01,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841470375] [2021-03-25 21:59:01,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:01,627 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:01,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,655 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 21:59:01,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841470375] [2021-03-25 21:59:01,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406431834] [2021-03-25 21:59:01,655 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) [2021-03-25 21:59:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:01,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:01,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:01,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,726 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:59:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:01,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:01,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:01,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:01,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:01,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:59:01,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:01,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:01,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:59:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:01,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:01,773 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 21:59:01,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:01,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:01,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428857947] [2021-03-25 21:59:01,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:01,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:01,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:01,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:01,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:59:01,774 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 21:59:01,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:01,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:59:01,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:02,615 INFO L129 PetriNetUnfolder]: 998/2418 cut-off events. [2021-03-25 21:59:02,615 INFO L130 PetriNetUnfolder]: For 83461/83485 co-relation queries the response was YES. [2021-03-25 21:59:02,636 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 21:59:02,647 INFO L132 encePairwiseOnDemand]: 35/50 looper letters, 678 selfloop transitions, 233 changer transitions 0/918 dead transitions. [2021-03-25 21:59:02,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 918 transitions, 24340 flow [2021-03-25 21:59:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:59:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:59:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2021-03-25 21:59:02,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42 [2021-03-25 21:59:02,648 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 210 transitions. [2021-03-25 21:59:02,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 210 transitions. [2021-03-25 21:59:02,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:02,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 210 transitions. [2021-03-25 21:59:02,649 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 21:59:02,649 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 21:59:02,649 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 21:59:02,649 INFO L185 Difference]: Start difference. First operand has 346 places, 860 transitions, 21104 flow. Second operand 10 states and 210 transitions. [2021-03-25 21:59:02,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 918 transitions, 24340 flow [2021-03-25 21:59:03,226 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 21:59:03,243 INFO L241 Difference]: Finished difference. Result has 349 places, 894 transitions, 21923 flow [2021-03-25 21:59:03,244 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 21:59:03,244 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 328 predicate places. [2021-03-25 21:59:03,244 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:03,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 894 transitions, 21923 flow [2021-03-25 21:59:03,244 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 894 transitions, 21923 flow [2021-03-25 21:59:03,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 349 places, 894 transitions, 21923 flow [2021-03-25 21:59:03,652 INFO L129 PetriNetUnfolder]: 837/2242 cut-off events. [2021-03-25 21:59:03,652 INFO L130 PetriNetUnfolder]: For 71396/71528 co-relation queries the response was YES. [2021-03-25 21:59:03,679 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 21:59:03,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 1138 [2021-03-25 21:59:03,786 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:03,786 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:03,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 543 [2021-03-25 21:59:03,787 INFO L480 AbstractCegarLoop]: Abstraction has has 349 places, 894 transitions, 21923 flow [2021-03-25 21:59:03,787 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 21:59:03,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:03,787 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:03,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:03,988 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1347260527, now seen corresponding path program 26 times [2021-03-25 21:59:03,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:03,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75555677] [2021-03-25 21:59:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:03,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:03,998 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:04,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:04,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,015 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 21:59:04,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75555677] [2021-03-25 21:59:04,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170977505] [2021-03-25 21:59:04,015 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 21:59:04,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:59:04,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:04,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:04,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:04,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:04,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:04,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:59:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:04,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 21:59:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:04,084 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:59:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:04,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:04,091 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 21:59:04,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:04,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 21:59:04,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686511820] [2021-03-25 21:59:04,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 21:59:04,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:04,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 21:59:04,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 21:59:04,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:59:04,093 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 21:59:04,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:04,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:59:04,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:05,022 INFO L129 PetriNetUnfolder]: 993/2436 cut-off events. [2021-03-25 21:59:05,022 INFO L130 PetriNetUnfolder]: For 84684/84718 co-relation queries the response was YES. [2021-03-25 21:59:05,045 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 21:59:05,056 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 533 selfloop transitions, 394 changer transitions 3/937 dead transitions. [2021-03-25 21:59:05,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 937 transitions, 25146 flow [2021-03-25 21:59:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 21:59:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 21:59:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 424 transitions. [2021-03-25 21:59:05,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4038095238095238 [2021-03-25 21:59:05,058 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 424 transitions. [2021-03-25 21:59:05,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 424 transitions. [2021-03-25 21:59:05,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:05,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 424 transitions. [2021-03-25 21:59:05,059 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 21:59:05,060 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 21:59:05,060 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 21:59:05,060 INFO L185 Difference]: Start difference. First operand has 349 places, 894 transitions, 21923 flow. Second operand 21 states and 424 transitions. [2021-03-25 21:59:05,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 937 transitions, 25146 flow [2021-03-25 21:59:05,748 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 21:59:05,765 INFO L241 Difference]: Finished difference. Result has 368 places, 902 transitions, 22886 flow [2021-03-25 21:59:05,766 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 21:59:05,766 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 347 predicate places. [2021-03-25 21:59:05,766 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:05,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 902 transitions, 22886 flow [2021-03-25 21:59:05,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 902 transitions, 22886 flow [2021-03-25 21:59:05,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 902 transitions, 22886 flow [2021-03-25 21:59:06,161 INFO L129 PetriNetUnfolder]: 822/2169 cut-off events. [2021-03-25 21:59:06,161 INFO L130 PetriNetUnfolder]: For 72943/73075 co-relation queries the response was YES. [2021-03-25 21:59:06,183 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 21:59:06,201 INFO L142 LiptonReduction]: Number of co-enabled transitions 1138 [2021-03-25 21:59:06,290 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:06,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:06,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 524 [2021-03-25 21:59:06,290 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 902 transitions, 22886 flow [2021-03-25 21:59:06,290 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 21:59:06,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:06,290 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:06,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-25 21:59:06,492 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:06,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:06,492 INFO L82 PathProgramCache]: Analyzing trace with hash 997451123, now seen corresponding path program 27 times [2021-03-25 21:59:06,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:06,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942610880] [2021-03-25 21:59:06,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:06,499 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:06,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,503 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:06,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:06,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,520 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 21:59:06,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942610880] [2021-03-25 21:59:06,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114727583] [2021-03-25 21:59:06,520 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 21:59:06,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 21:59:06,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:06,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:06,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:06,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:06,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:06,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:06,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:06,581 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:06,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:06,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:06,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:06,596 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:06,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:06,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:06,599 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:59:06,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:06,607 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 21:59:06,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:06,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:06,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580087767] [2021-03-25 21:59:06,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:06,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:06,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:06,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:06,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:59:06,608 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 21:59:06,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:06,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:59:06,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:07,766 INFO L129 PetriNetUnfolder]: 1139/2760 cut-off events. [2021-03-25 21:59:07,767 INFO L130 PetriNetUnfolder]: For 107225/107259 co-relation queries the response was YES. [2021-03-25 21:59:07,791 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 21:59:07,804 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 521 selfloop transitions, 503 changer transitions 2/1033 dead transitions. [2021-03-25 21:59:07,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 1033 transitions, 28312 flow [2021-03-25 21:59:07,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 21:59:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 21:59:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 412 transitions. [2021-03-25 21:59:07,806 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.412 [2021-03-25 21:59:07,806 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 412 transitions. [2021-03-25 21:59:07,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 412 transitions. [2021-03-25 21:59:07,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:07,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 412 transitions. [2021-03-25 21:59:07,807 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 21:59:07,808 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 21:59:07,808 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 21:59:07,808 INFO L185 Difference]: Start difference. First operand has 368 places, 902 transitions, 22886 flow. Second operand 20 states and 412 transitions. [2021-03-25 21:59:07,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 1033 transitions, 28312 flow [2021-03-25 21:59:08,504 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 21:59:08,522 INFO L241 Difference]: Finished difference. Result has 386 places, 970 transitions, 25771 flow [2021-03-25 21:59:08,523 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 21:59:08,523 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 365 predicate places. [2021-03-25 21:59:08,523 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:08,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 970 transitions, 25771 flow [2021-03-25 21:59:08,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 970 transitions, 25771 flow [2021-03-25 21:59:08,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 386 places, 970 transitions, 25771 flow [2021-03-25 21:59:08,985 INFO L129 PetriNetUnfolder]: 934/2507 cut-off events. [2021-03-25 21:59:08,985 INFO L130 PetriNetUnfolder]: For 95926/96054 co-relation queries the response was YES. [2021-03-25 21:59:09,011 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 21:59:09,034 INFO L142 LiptonReduction]: Number of co-enabled transitions 1264 [2021-03-25 21:59:09,146 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:09,147 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:09,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-25 21:59:09,147 INFO L480 AbstractCegarLoop]: Abstraction has has 386 places, 970 transitions, 25771 flow [2021-03-25 21:59:09,147 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 21:59:09,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:09,147 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:09,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:09,348 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:09,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1662884003, now seen corresponding path program 28 times [2021-03-25 21:59:09,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:09,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827485636] [2021-03-25 21:59:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:09,357 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:09,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,362 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:09,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:09,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,381 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 21:59:09,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827485636] [2021-03-25 21:59:09,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934750903] [2021-03-25 21:59:09,382 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 21:59:09,418 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:59:09,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:09,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:09,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:09,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:09,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:09,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:09,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:09,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:09,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:09,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:09,462 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:09,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:09,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:09,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:09,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:09,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:59:09,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:09,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:09,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:09,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:09,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:09,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:09,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:59:09,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:09,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:09,508 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 21:59:09,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:09,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:09,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158117919] [2021-03-25 21:59:09,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:09,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:09,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:09,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:09,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:59:09,510 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 21:59:09,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:09,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:59:09,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:10,518 INFO L129 PetriNetUnfolder]: 1137/2722 cut-off events. [2021-03-25 21:59:10,519 INFO L130 PetriNetUnfolder]: For 120255/120269 co-relation queries the response was YES. [2021-03-25 21:59:10,546 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 21:59:10,560 INFO L132 encePairwiseOnDemand]: 35/50 looper letters, 584 selfloop transitions, 421 changer transitions 0/1012 dead transitions. [2021-03-25 21:59:10,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 1012 transitions, 28887 flow [2021-03-25 21:59:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:59:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:59:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 215 transitions. [2021-03-25 21:59:10,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43 [2021-03-25 21:59:10,561 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 215 transitions. [2021-03-25 21:59:10,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 215 transitions. [2021-03-25 21:59:10,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:10,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 215 transitions. [2021-03-25 21:59:10,561 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 21:59:10,562 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 21:59:10,562 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 21:59:10,562 INFO L185 Difference]: Start difference. First operand has 386 places, 970 transitions, 25771 flow. Second operand 10 states and 215 transitions. [2021-03-25 21:59:10,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 1012 transitions, 28887 flow [2021-03-25 21:59:11,468 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 21:59:11,486 INFO L241 Difference]: Finished difference. Result has 388 places, 978 transitions, 26037 flow [2021-03-25 21:59:11,487 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 21:59:11,487 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 367 predicate places. [2021-03-25 21:59:11,487 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:11,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 978 transitions, 26037 flow [2021-03-25 21:59:11,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 978 transitions, 26037 flow [2021-03-25 21:59:11,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 978 transitions, 26037 flow [2021-03-25 21:59:11,991 INFO L129 PetriNetUnfolder]: 935/2489 cut-off events. [2021-03-25 21:59:11,991 INFO L130 PetriNetUnfolder]: For 95109/95251 co-relation queries the response was YES. [2021-03-25 21:59:12,015 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 21:59:12,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 1266 [2021-03-25 21:59:12,153 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:12,153 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:12,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 666 [2021-03-25 21:59:12,154 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 978 transitions, 26037 flow [2021-03-25 21:59:12,154 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 21:59:12,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:12,154 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:12,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-25 21:59:12,354 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:12,355 INFO L82 PathProgramCache]: Analyzing trace with hash 252748625, now seen corresponding path program 29 times [2021-03-25 21:59:12,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:12,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609059467] [2021-03-25 21:59:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:12,361 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:12,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:12,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:12,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,388 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 21:59:12,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609059467] [2021-03-25 21:59:12,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482705499] [2021-03-25 21:59:12,388 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 21:59:12,420 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:59:12,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:12,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:12,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:12,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:12,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:12,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,452 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:59:12,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:12,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:12,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:12,475 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:12,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:12,478 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:59:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:12,484 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 21:59:12,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:12,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:12,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125642586] [2021-03-25 21:59:12,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:12,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:12,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:12,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:12,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2021-03-25 21:59:12,486 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 21:59:12,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:12,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2021-03-25 21:59:12,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:13,604 INFO L129 PetriNetUnfolder]: 1136/2761 cut-off events. [2021-03-25 21:59:13,605 INFO L130 PetriNetUnfolder]: For 116235/116269 co-relation queries the response was YES. [2021-03-25 21:59:13,637 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 21:59:13,651 INFO L132 encePairwiseOnDemand]: 34/50 looper letters, 656 selfloop transitions, 344 changer transitions 2/1009 dead transitions. [2021-03-25 21:59:13,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 1009 transitions, 28973 flow [2021-03-25 21:59:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 21:59:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 21:59:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 325 transitions. [2021-03-25 21:59:13,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-25 21:59:13,652 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 325 transitions. [2021-03-25 21:59:13,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 325 transitions. [2021-03-25 21:59:13,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:13,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 325 transitions. [2021-03-25 21:59:13,653 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 21:59:13,654 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 21:59:13,654 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 21:59:13,654 INFO L185 Difference]: Start difference. First operand has 388 places, 978 transitions, 26037 flow. Second operand 16 states and 325 transitions. [2021-03-25 21:59:13,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 1009 transitions, 28973 flow [2021-03-25 21:59:14,546 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 21:59:14,565 INFO L241 Difference]: Finished difference. Result has 397 places, 982 transitions, 26131 flow [2021-03-25 21:59:14,565 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 21:59:14,566 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 376 predicate places. [2021-03-25 21:59:14,566 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:14,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 982 transitions, 26131 flow [2021-03-25 21:59:14,566 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 982 transitions, 26131 flow [2021-03-25 21:59:14,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 982 transitions, 26131 flow [2021-03-25 21:59:15,030 INFO L129 PetriNetUnfolder]: 934/2490 cut-off events. [2021-03-25 21:59:15,030 INFO L130 PetriNetUnfolder]: For 94520/94632 co-relation queries the response was YES. [2021-03-25 21:59:15,059 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 21:59:15,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 1268 [2021-03-25 21:59:15,819 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 21:59:15,819 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 21:59:15,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1253 [2021-03-25 21:59:15,819 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 981 transitions, 26175 flow [2021-03-25 21:59:15,819 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 21:59:15,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:15,820 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:16,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:16,024 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:16,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:16,024 INFO L82 PathProgramCache]: Analyzing trace with hash 24186197, now seen corresponding path program 30 times [2021-03-25 21:59:16,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:16,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297100622] [2021-03-25 21:59:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:16,032 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:16,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:16,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,053 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 21:59:16,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297100622] [2021-03-25 21:59:16,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658718008] [2021-03-25 21:59:16,054 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) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:16,071 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 21:59:16,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:16,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:16,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:16,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:16,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:16,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:16,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:16,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:16,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:16,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:16,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:16,143 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:16,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:16,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:16,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:16,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:16,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:16,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:59:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:16,155 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 21:59:16,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:16,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:16,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361987277] [2021-03-25 21:59:16,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:16,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:16,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:16,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 21:59:16,156 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 21:59:16,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:16,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 21:59:16,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:17,444 INFO L129 PetriNetUnfolder]: 1154/2773 cut-off events. [2021-03-25 21:59:17,444 INFO L130 PetriNetUnfolder]: For 121999/122013 co-relation queries the response was YES. [2021-03-25 21:59:17,477 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 21:59:17,493 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 586 selfloop transitions, 454 changer transitions 0/1047 dead transitions. [2021-03-25 21:59:17,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 1047 transitions, 30175 flow [2021-03-25 21:59:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 21:59:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 21:59:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 289 transitions. [2021-03-25 21:59:17,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3644388398486759 [2021-03-25 21:59:17,495 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 289 transitions. [2021-03-25 21:59:17,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 289 transitions. [2021-03-25 21:59:17,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:17,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 289 transitions. [2021-03-25 21:59:17,496 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 21:59:17,496 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 21:59:17,496 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 21:59:17,497 INFO L185 Difference]: Start difference. First operand has 396 places, 981 transitions, 26175 flow. Second operand 13 states and 289 transitions. [2021-03-25 21:59:17,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 1047 transitions, 30175 flow [2021-03-25 21:59:18,368 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 21:59:18,388 INFO L241 Difference]: Finished difference. Result has 404 places, 999 transitions, 27578 flow [2021-03-25 21:59:18,388 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 21:59:18,388 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 383 predicate places. [2021-03-25 21:59:18,388 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:18,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 999 transitions, 27578 flow [2021-03-25 21:59:18,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 999 transitions, 27578 flow [2021-03-25 21:59:18,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 999 transitions, 27578 flow [2021-03-25 21:59:18,901 INFO L129 PetriNetUnfolder]: 951/2536 cut-off events. [2021-03-25 21:59:18,901 INFO L130 PetriNetUnfolder]: For 103858/103992 co-relation queries the response was YES. [2021-03-25 21:59:18,928 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 21:59:18,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 1280 [2021-03-25 21:59:19,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:19,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:19,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-25 21:59:19,089 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 999 transitions, 27578 flow [2021-03-25 21:59:19,089 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 21:59:19,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:19,089 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:19,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-25 21:59:19,289 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:19,290 INFO L82 PathProgramCache]: Analyzing trace with hash 51891827, now seen corresponding path program 31 times [2021-03-25 21:59:19,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:19,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789653428] [2021-03-25 21:59:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:19,306 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:19,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,312 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:19,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:19,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,336 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 21:59:19,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789653428] [2021-03-25 21:59:19,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111543573] [2021-03-25 21:59:19,337 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 21:59:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:19,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:19,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:19,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:19,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:19,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:19,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:19,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:19,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:19,442 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:19,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:19,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:19,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:19,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:19,450 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:59:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:19,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:19,457 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 21:59:19,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:19,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:19,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71434963] [2021-03-25 21:59:19,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:19,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:19,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:19,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:19,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 21:59:19,458 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 21:59:19,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:19,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 21:59:19,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:20,605 INFO L129 PetriNetUnfolder]: 1157/2776 cut-off events. [2021-03-25 21:59:20,605 INFO L130 PetriNetUnfolder]: For 128344/128378 co-relation queries the response was YES. [2021-03-25 21:59:20,636 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 21:59:20,650 INFO L132 encePairwiseOnDemand]: 35/61 looper letters, 582 selfloop transitions, 452 changer transitions 0/1041 dead transitions. [2021-03-25 21:59:20,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 1041 transitions, 30931 flow [2021-03-25 21:59:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 21:59:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 21:59:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 272 transitions. [2021-03-25 21:59:20,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37158469945355194 [2021-03-25 21:59:20,651 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 272 transitions. [2021-03-25 21:59:20,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 272 transitions. [2021-03-25 21:59:20,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:20,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 272 transitions. [2021-03-25 21:59:20,651 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 21:59:20,652 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 21:59:20,652 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 21:59:20,652 INFO L185 Difference]: Start difference. First operand has 404 places, 999 transitions, 27578 flow. Second operand 12 states and 272 transitions. [2021-03-25 21:59:20,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 1041 transitions, 30931 flow [2021-03-25 21:59:21,617 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 21:59:21,638 INFO L241 Difference]: Finished difference. Result has 405 places, 1004 transitions, 28257 flow [2021-03-25 21:59:21,638 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 21:59:21,638 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 384 predicate places. [2021-03-25 21:59:21,639 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:21,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 1004 transitions, 28257 flow [2021-03-25 21:59:21,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 1004 transitions, 28257 flow [2021-03-25 21:59:21,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 1004 transitions, 28257 flow [2021-03-25 21:59:22,104 INFO L129 PetriNetUnfolder]: 959/2552 cut-off events. [2021-03-25 21:59:22,104 INFO L130 PetriNetUnfolder]: For 106615/106718 co-relation queries the response was YES. [2021-03-25 21:59:22,131 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 21:59:22,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 1290 [2021-03-25 21:59:22,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:22,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:22,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 630 [2021-03-25 21:59:22,269 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 1004 transitions, 28257 flow [2021-03-25 21:59:22,269 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 21:59:22,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:22,269 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:22,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-25 21:59:22,470 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:22,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:22,470 INFO L82 PathProgramCache]: Analyzing trace with hash 142144469, now seen corresponding path program 32 times [2021-03-25 21:59:22,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:22,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109216633] [2021-03-25 21:59:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:22,476 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:22,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:22,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,500 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 21:59:22,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109216633] [2021-03-25 21:59:22,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923232785] [2021-03-25 21:59:22,500 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) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:22,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:59:22,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:22,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:22,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:22,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:22,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:22,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:22,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:22,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:22,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:22,569 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:22,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:22,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:22,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,573 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 21:59:22,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:22,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:22,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:22,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:22,575 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:59:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:22,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:22,582 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 21:59:22,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:22,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:59:22,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504695476] [2021-03-25 21:59:22,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:59:22,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:22,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:59:22,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:59:22,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 21:59:22,584 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 21:59:22,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:22,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 21:59:22,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:23,830 INFO L129 PetriNetUnfolder]: 1166/2860 cut-off events. [2021-03-25 21:59:23,830 INFO L130 PetriNetUnfolder]: For 132928/132942 co-relation queries the response was YES. [2021-03-25 21:59:23,860 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 21:59:23,874 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 485 selfloop transitions, 572 changer transitions 3/1067 dead transitions. [2021-03-25 21:59:23,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1067 transitions, 32512 flow [2021-03-25 21:59:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-25 21:59:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-25 21:59:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 497 transitions. [2021-03-25 21:59:23,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3394808743169399 [2021-03-25 21:59:23,875 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 497 transitions. [2021-03-25 21:59:23,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 497 transitions. [2021-03-25 21:59:23,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:23,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 497 transitions. [2021-03-25 21:59:23,876 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 21:59:23,877 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 21:59:23,877 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 21:59:23,877 INFO L185 Difference]: Start difference. First operand has 405 places, 1004 transitions, 28257 flow. Second operand 24 states and 497 transitions. [2021-03-25 21:59:23,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1067 transitions, 32512 flow [2021-03-25 21:59:24,855 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 21:59:24,878 INFO L241 Difference]: Finished difference. Result has 424 places, 1020 transitions, 29834 flow [2021-03-25 21:59:24,879 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 21:59:24,879 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 403 predicate places. [2021-03-25 21:59:24,879 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:24,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1020 transitions, 29834 flow [2021-03-25 21:59:24,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1020 transitions, 29834 flow [2021-03-25 21:59:24,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1020 transitions, 29834 flow [2021-03-25 21:59:25,376 INFO L129 PetriNetUnfolder]: 969/2556 cut-off events. [2021-03-25 21:59:25,376 INFO L130 PetriNetUnfolder]: For 118931/119067 co-relation queries the response was YES. [2021-03-25 21:59:25,405 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 21:59:25,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 1294 [2021-03-25 21:59:25,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:25,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:25,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 674 [2021-03-25 21:59:25,553 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1020 transitions, 29834 flow [2021-03-25 21:59:25,553 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 21:59:25,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:25,553 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:25,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:25,754 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:25,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:25,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1001018999, now seen corresponding path program 33 times [2021-03-25 21:59:25,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:25,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809762383] [2021-03-25 21:59:25,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:25,760 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,764 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:25,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:25,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,785 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 21:59:25,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809762383] [2021-03-25 21:59:25,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732029461] [2021-03-25 21:59:25,785 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 21:59:25,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 21:59:25,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:25,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 21:59:25,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:25,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:25,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:25,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:25,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:25,852 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 21:59:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:25,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:25,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:25,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:25,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:25,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:25,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:25,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:25,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:25,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:25,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 21:59:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:25,873 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 21:59:25,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:25,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-25 21:59:25,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263089874] [2021-03-25 21:59:25,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 21:59:25,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:25,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 21:59:25,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 21:59:25,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 61 [2021-03-25 21:59:25,874 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 21:59:25,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:25,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 61 [2021-03-25 21:59:25,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:27,093 INFO L129 PetriNetUnfolder]: 1164/2819 cut-off events. [2021-03-25 21:59:27,093 INFO L130 PetriNetUnfolder]: For 143850/143874 co-relation queries the response was YES. [2021-03-25 21:59:27,125 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 21:59:27,141 INFO L132 encePairwiseOnDemand]: 34/61 looper letters, 581 selfloop transitions, 469 changer transitions 0/1057 dead transitions. [2021-03-25 21:59:27,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 1057 transitions, 33044 flow [2021-03-25 21:59:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 21:59:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 21:59:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 346 transitions. [2021-03-25 21:59:27,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35450819672131145 [2021-03-25 21:59:27,142 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 346 transitions. [2021-03-25 21:59:27,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 346 transitions. [2021-03-25 21:59:27,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:27,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 346 transitions. [2021-03-25 21:59:27,142 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 21:59:27,143 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 21:59:27,143 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 21:59:27,143 INFO L185 Difference]: Start difference. First operand has 424 places, 1020 transitions, 29834 flow. Second operand 16 states and 346 transitions. [2021-03-25 21:59:27,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 1057 transitions, 33044 flow [2021-03-25 21:59:28,252 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 21:59:28,274 INFO L241 Difference]: Finished difference. Result has 424 places, 1024 transitions, 30181 flow [2021-03-25 21:59:28,275 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 21:59:28,275 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 403 predicate places. [2021-03-25 21:59:28,275 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:28,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1024 transitions, 30181 flow [2021-03-25 21:59:28,275 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1024 transitions, 30181 flow [2021-03-25 21:59:28,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1024 transitions, 30181 flow [2021-03-25 21:59:28,820 INFO L129 PetriNetUnfolder]: 961/2567 cut-off events. [2021-03-25 21:59:28,821 INFO L130 PetriNetUnfolder]: For 115912/116040 co-relation queries the response was YES. [2021-03-25 21:59:28,845 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 21:59:28,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-25 21:59:28,993 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:28,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:28,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 719 [2021-03-25 21:59:28,994 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1024 transitions, 30181 flow [2021-03-25 21:59:28,994 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 21:59:28,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:28,994 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:29,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-25 21:59:29,195 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:29,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:29,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1954974467, now seen corresponding path program 34 times [2021-03-25 21:59:29,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:29,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174274776] [2021-03-25 21:59:29,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:29,217 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 21:59:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 21:59:29,250 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 21:59:29,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:59:29,274 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 21:59:29,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 21:59:29,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 21:59:29,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:29,317 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 21:59:29,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,328 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 21:59:29,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:29,337 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 21:59:29,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174274776] [2021-03-25 21:59:29,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042349222] [2021-03-25 21:59:29,338 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 21:59:29,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:59:29,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:29,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 21:59:29,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:29,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:29,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:29,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,393 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-25 21:59:29,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 21:59:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:29,417 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 21:59:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:29,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 21:59:29,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 21:59:29,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:59:29,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:29,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 21:59:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:29,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,498 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 21:59:29,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,501 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 21:59:29,501 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:59:29,501 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,502 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:59:29,503 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,503 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 21:59:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:29,505 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 21:59:29,506 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:59:29,506 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,508 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size 40 [2021-03-25 21:59:29,509 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-03-25 21:59:29,509 INFO L147 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size 10 [2021-03-25 21:59:29,509 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 21:59:29,543 INFO L628 ElimStorePlain]: treesize reduction 30, result has 49.2 percent of original size [2021-03-25 21:59:29,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,544 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:59:29,545 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,546 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 21:59:29,547 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-03-25 21:59:29,547 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 21:59:29,547 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:30 [2021-03-25 21:59:29,547 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-03-25 21:59:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:29,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:29,568 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 21:59:29,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:29,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:29,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:29,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,571 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:59:29,571 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:29,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:29,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:29,591 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 21:59:29,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:29,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 21:59:29,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427848875] [2021-03-25 21:59:29,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 21:59:29,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:29,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 21:59:29,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-03-25 21:59:29,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 61 [2021-03-25 21:59:29,592 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 21:59:29,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:29,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 61 [2021-03-25 21:59:29,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:31,176 INFO L129 PetriNetUnfolder]: 1186/2874 cut-off events. [2021-03-25 21:59:31,176 INFO L130 PetriNetUnfolder]: For 146812/146826 co-relation queries the response was YES. [2021-03-25 21:59:31,207 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 21:59:31,222 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 994 selfloop transitions, 68 changer transitions 1/1069 dead transitions. [2021-03-25 21:59:31,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1069 transitions, 33968 flow [2021-03-25 21:59:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:59:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:59:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 266 transitions. [2021-03-25 21:59:31,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3114754098360656 [2021-03-25 21:59:31,228 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 266 transitions. [2021-03-25 21:59:31,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 266 transitions. [2021-03-25 21:59:31,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:31,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 266 transitions. [2021-03-25 21:59:31,229 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 21:59:31,229 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 21:59:31,230 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 21:59:31,230 INFO L185 Difference]: Start difference. First operand has 424 places, 1024 transitions, 30181 flow. Second operand 14 states and 266 transitions. [2021-03-25 21:59:31,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1069 transitions, 33968 flow [2021-03-25 21:59:32,402 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 21:59:32,423 INFO L241 Difference]: Finished difference. Result has 432 places, 1057 transitions, 30934 flow [2021-03-25 21:59:32,424 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 21:59:32,424 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 411 predicate places. [2021-03-25 21:59:32,424 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:32,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 1057 transitions, 30934 flow [2021-03-25 21:59:32,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 1057 transitions, 30934 flow [2021-03-25 21:59:32,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 1057 transitions, 30934 flow [2021-03-25 21:59:32,934 INFO L129 PetriNetUnfolder]: 998/2649 cut-off events. [2021-03-25 21:59:32,935 INFO L130 PetriNetUnfolder]: For 119618/119690 co-relation queries the response was YES. [2021-03-25 21:59:32,965 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 21:59:32,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 1364 [2021-03-25 21:59:33,325 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 21:59:33,325 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 21:59:33,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-03-25 21:59:33,325 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 1057 transitions, 30938 flow [2021-03-25 21:59:33,325 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 21:59:33,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:33,325 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:33,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:33,526 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:33,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1408246110, now seen corresponding path program 4 times [2021-03-25 21:59:33,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:33,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350426219] [2021-03-25 21:59:33,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:33,557 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-03-25 21:59:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,575 INFO L142 QuantifierPusher]: treesize reduction 91, result has 47.1 percent of original size [2021-03-25 21:59:33,575 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 78 [2021-03-25 21:59:33,630 INFO L142 QuantifierPusher]: treesize reduction 12, result has 79.3 percent of original size [2021-03-25 21:59:33,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 21:59:33,649 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-25 21:59:33,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 21:59:33,670 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-03-25 21:59:33,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,686 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-25 21:59:33,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,698 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:59:33,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,708 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 21:59:33,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350426219] [2021-03-25 21:59:33,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796230893] [2021-03-25 21:59:33,708 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 21:59:33,726 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 21:59:33,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:33,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 21:59:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:33,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:33,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:33,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:33,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,769 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-25 21:59:33,770 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 21:59:33,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:33,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,791 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 21:59:33,791 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 21:59:33,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:33,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:33,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:33,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:33,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:59:33,801 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,801 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 21:59:33,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,802 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 21:59:33,803 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 21:59:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 21:59:33,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 21:59:33,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:59:33,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2021-03-25 21:59:33,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:33,827 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-25 21:59:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 21:59:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:59:33,831 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:33,852 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 21:59:33,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:33,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 21:59:33,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962885754] [2021-03-25 21:59:33,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 21:59:33,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:33,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 21:59:33,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-25 21:59:33,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 21:59:33,853 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 21:59:33,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:33,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 21:59:33,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:34,228 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-25 21:59:35,898 INFO L129 PetriNetUnfolder]: 1253/3035 cut-off events. [2021-03-25 21:59:35,898 INFO L130 PetriNetUnfolder]: For 155660/155699 co-relation queries the response was YES. [2021-03-25 21:59:35,931 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 21:59:35,948 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1005 selfloop transitions, 132 changer transitions 1/1144 dead transitions. [2021-03-25 21:59:35,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1144 transitions, 35894 flow [2021-03-25 21:59:35,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:59:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:59:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 280 transitions. [2021-03-25 21:59:35,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3225806451612903 [2021-03-25 21:59:35,949 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 280 transitions. [2021-03-25 21:59:35,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 280 transitions. [2021-03-25 21:59:35,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:35,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 280 transitions. [2021-03-25 21:59:35,949 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 21:59:35,950 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 21:59:35,950 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 21:59:35,950 INFO L185 Difference]: Start difference. First operand has 432 places, 1057 transitions, 30938 flow. Second operand 14 states and 280 transitions. [2021-03-25 21:59:35,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1144 transitions, 35894 flow [2021-03-25 21:59:37,086 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 21:59:37,110 INFO L241 Difference]: Finished difference. Result has 448 places, 1117 transitions, 33018 flow [2021-03-25 21:59:37,110 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 21:59:37,111 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 427 predicate places. [2021-03-25 21:59:37,111 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:37,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1117 transitions, 33018 flow [2021-03-25 21:59:37,111 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1117 transitions, 33018 flow [2021-03-25 21:59:37,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 1117 transitions, 33018 flow [2021-03-25 21:59:37,686 INFO L129 PetriNetUnfolder]: 1045/2774 cut-off events. [2021-03-25 21:59:37,687 INFO L130 PetriNetUnfolder]: For 129539/129658 co-relation queries the response was YES. [2021-03-25 21:59:37,721 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 21:59:37,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 1498 [2021-03-25 21:59:37,895 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:37,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:37,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 784 [2021-03-25 21:59:37,895 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 1117 transitions, 33018 flow [2021-03-25 21:59:37,896 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 21:59:37,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:37,896 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:38,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-25 21:59:38,108 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:38,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:38,108 INFO L82 PathProgramCache]: Analyzing trace with hash -921140412, now seen corresponding path program 5 times [2021-03-25 21:59:38,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:38,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804229479] [2021-03-25 21:59:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:38,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,144 INFO L142 QuantifierPusher]: treesize reduction 68, result has 63.2 percent of original size [2021-03-25 21:59:38,145 INFO L147 QuantifierPusher]: treesize reduction 41, result has 65.0 percent of original size 76 [2021-03-25 21:59:38,237 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-03-25 21:59:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 21:59:38,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-25 21:59:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:38,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:38,292 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:59:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 21:59:38,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804229479] [2021-03-25 21:59:38,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209329674] [2021-03-25 21:59:38,306 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) [2021-03-25 21:59:38,351 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 21:59:38,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:38,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 21:59:38,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:38,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:38,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:38,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,362 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-03-25 21:59:38,362 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-25 21:59:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:38,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:38,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:38,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:38,429 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-25 21:59:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:38,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,467 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 21:59:38,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:38,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:38,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:38,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:38,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:59:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:38,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:38,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:38,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:59:38,487 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 21:59:38,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:38,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:38,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:59:38,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,494 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 21:59:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:38,495 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 21:59:38,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 21:59:38,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:38,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:38,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:38,509 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 21:59:38,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:38,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 21:59:38,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330587090] [2021-03-25 21:59:38,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 21:59:38,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:38,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 21:59:38,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-25 21:59:38,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 21:59:38,511 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 21:59:38,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:38,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 21:59:38,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:39,890 INFO L129 PetriNetUnfolder]: 1253/3022 cut-off events. [2021-03-25 21:59:39,890 INFO L130 PetriNetUnfolder]: For 160342/160359 co-relation queries the response was YES. [2021-03-25 21:59:39,925 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 21:59:39,941 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1058 selfloop transitions, 69 changer transitions 1/1134 dead transitions. [2021-03-25 21:59:39,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 1134 transitions, 35692 flow [2021-03-25 21:59:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 21:59:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 21:59:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 202 transitions. [2021-03-25 21:59:39,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3258064516129032 [2021-03-25 21:59:39,942 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 202 transitions. [2021-03-25 21:59:39,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 202 transitions. [2021-03-25 21:59:39,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:39,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 202 transitions. [2021-03-25 21:59:39,942 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 21:59:39,943 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 21:59:39,943 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 21:59:39,943 INFO L185 Difference]: Start difference. First operand has 448 places, 1117 transitions, 33018 flow. Second operand 10 states and 202 transitions. [2021-03-25 21:59:39,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 1134 transitions, 35692 flow [2021-03-25 21:59:41,482 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 21:59:41,506 INFO L241 Difference]: Finished difference. Result has 457 places, 1123 transitions, 33126 flow [2021-03-25 21:59:41,507 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 21:59:41,507 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 436 predicate places. [2021-03-25 21:59:41,507 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:41,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 1123 transitions, 33126 flow [2021-03-25 21:59:41,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 1123 transitions, 33126 flow [2021-03-25 21:59:41,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 1123 transitions, 33126 flow [2021-03-25 21:59:42,109 INFO L129 PetriNetUnfolder]: 1041/2767 cut-off events. [2021-03-25 21:59:42,109 INFO L130 PetriNetUnfolder]: For 129283/129383 co-relation queries the response was YES. [2021-03-25 21:59:42,148 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 21:59:42,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 1510 [2021-03-25 21:59:42,304 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:42,304 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:42,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 797 [2021-03-25 21:59:42,305 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1123 transitions, 33126 flow [2021-03-25 21:59:42,305 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 21:59:42,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:42,305 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:42,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:42,505 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:42,506 INFO L82 PathProgramCache]: Analyzing trace with hash -127646768, now seen corresponding path program 6 times [2021-03-25 21:59:42,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:42,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134469527] [2021-03-25 21:59:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:42,520 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-25 21:59:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:42,531 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 21:59:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 21:59:42,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 21:59:42,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 21:59:42,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-25 21:59:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 21:59:42,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:42,645 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-25 21:59:42,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:42,661 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 21:59:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,671 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 21:59:42,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134469527] [2021-03-25 21:59:42,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67720728] [2021-03-25 21:59:42,671 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) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:42,690 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 21:59:42,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:42,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 21:59:42,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:42,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:42,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:42,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:42,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:42,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:42,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:42,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:42,747 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 21:59:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:59:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 21:59:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 21:59:42,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,791 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-25 21:59:42,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 21:59:42,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:42,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:42,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 21:59:42,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,814 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 21:59:42,814 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 21:59:42,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:59:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:42,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:59:42,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:42,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:42,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:59:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:42,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:59:42,825 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 21:59:42,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:42,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:59:42,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,833 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 21:59:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:42,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:59:42,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 21:59:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:42,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:42,858 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 21:59:42,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:42,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 21:59:42,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459063965] [2021-03-25 21:59:42,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 21:59:42,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:42,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 21:59:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-03-25 21:59:42,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-25 21:59:42,859 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 21:59:42,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:42,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-25 21:59:42,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:44,699 INFO L129 PetriNetUnfolder]: 1287/3092 cut-off events. [2021-03-25 21:59:44,699 INFO L130 PetriNetUnfolder]: For 163903/163941 co-relation queries the response was YES. [2021-03-25 21:59:44,733 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 21:59:44,749 INFO L132 encePairwiseOnDemand]: 46/62 looper letters, 1056 selfloop transitions, 117 changer transitions 0/1179 dead transitions. [2021-03-25 21:59:44,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1179 transitions, 37007 flow [2021-03-25 21:59:44,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 21:59:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 21:59:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 274 transitions. [2021-03-25 21:59:44,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.315668202764977 [2021-03-25 21:59:44,750 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 274 transitions. [2021-03-25 21:59:44,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 274 transitions. [2021-03-25 21:59:44,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:44,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 274 transitions. [2021-03-25 21:59:44,750 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 21:59:44,751 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 21:59:44,751 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 21:59:44,751 INFO L185 Difference]: Start difference. First operand has 457 places, 1123 transitions, 33126 flow. Second operand 14 states and 274 transitions. [2021-03-25 21:59:44,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1179 transitions, 37007 flow [2021-03-25 21:59:45,977 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 21:59:46,007 INFO L241 Difference]: Finished difference. Result has 468 places, 1159 transitions, 34442 flow [2021-03-25 21:59:46,008 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 21:59:46,009 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 447 predicate places. [2021-03-25 21:59:46,009 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:46,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 1159 transitions, 34442 flow [2021-03-25 21:59:46,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 1159 transitions, 34442 flow [2021-03-25 21:59:46,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1159 transitions, 34442 flow [2021-03-25 21:59:46,640 INFO L129 PetriNetUnfolder]: 1069/2820 cut-off events. [2021-03-25 21:59:46,640 INFO L130 PetriNetUnfolder]: For 134334/134439 co-relation queries the response was YES. [2021-03-25 21:59:46,699 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 21:59:46,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-25 21:59:47,200 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 21:59:47,200 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 21:59:47,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1191 [2021-03-25 21:59:47,200 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1159 transitions, 34514 flow [2021-03-25 21:59:47,201 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 21:59:47,201 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:47,201 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:47,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:47,401 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash -955408751, now seen corresponding path program 35 times [2021-03-25 21:59:47,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:47,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163785527] [2021-03-25 21:59:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:47,421 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 21:59:47,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 21:59:47,459 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 21:59:47,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:59:47,478 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 21:59:47,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 21:59:47,504 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 21:59:47,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:59:47,527 INFO L142 QuantifierPusher]: treesize reduction 37, result has 47.1 percent of original size [2021-03-25 21:59:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:47,551 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 21:59:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:47,566 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 21:59:47,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:47,578 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 21:59:47,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163785527] [2021-03-25 21:59:47,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197282690] [2021-03-25 21:59:47,579 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) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:47,603 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 21:59:47,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:47,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 21:59:47,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:47,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,634 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 21:59:47,635 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 21:59:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,659 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 21:59:47,659 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-25 21:59:47,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 21:59:47,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:47,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:47,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:47,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:47,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 21:59:47,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:47,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:59:47,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:47,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:47,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 21:59:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:47,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,730 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 21:59:47,731 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 21:59:47,732 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 21:59:47,732 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:59:47,733 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,734 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 21:59:47,734 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:59:47,734 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,736 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 21:59:47,736 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:47,737 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.4 percent of original size [2021-03-25 21:59:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 21:59:47,739 INFO L147 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size 42 [2021-03-25 21:59:47,739 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-03-25 21:59:47,740 INFO L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-03-25 21:59:47,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 21:59:47,758 INFO L628 ElimStorePlain]: treesize reduction 34, result has 34.6 percent of original size [2021-03-25 21:59:47,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:47,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:59:47,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:18 [2021-03-25 21:59:47,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:47,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:47,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 21:59:47,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:47,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:47,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 21:59:47,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 21:59:47,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,780 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 21:59:47,781 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:47,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,782 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 21:59:47,782 INFO L147 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size 7 [2021-03-25 21:59:47,783 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-03-25 21:59:47,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:47,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:47,811 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 21:59:47,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:47,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 21:59:47,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749893005] [2021-03-25 21:59:47,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 21:59:47,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:47,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 21:59:47,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 21:59:47,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 21:59:47,812 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 21:59:47,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:47,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 21:59:47,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:50,159 INFO L129 PetriNetUnfolder]: 1358/3283 cut-off events. [2021-03-25 21:59:50,160 INFO L130 PetriNetUnfolder]: For 181542/181561 co-relation queries the response was YES. [2021-03-25 21:59:50,200 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 21:59:50,217 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 1024 selfloop transitions, 241 changer transitions 3/1274 dead transitions. [2021-03-25 21:59:50,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 1274 transitions, 41289 flow [2021-03-25 21:59:50,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 21:59:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 21:59:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 387 transitions. [2021-03-25 21:59:50,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2976923076923077 [2021-03-25 21:59:50,219 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 387 transitions. [2021-03-25 21:59:50,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 387 transitions. [2021-03-25 21:59:50,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:50,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 387 transitions. [2021-03-25 21:59:50,219 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 21:59:50,220 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 21:59:50,220 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 21:59:50,220 INFO L185 Difference]: Start difference. First operand has 468 places, 1159 transitions, 34514 flow. Second operand 20 states and 387 transitions. [2021-03-25 21:59:50,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 1274 transitions, 41289 flow [2021-03-25 21:59:51,735 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 21:59:51,769 INFO L241 Difference]: Finished difference. Result has 488 places, 1236 transitions, 37966 flow [2021-03-25 21:59:51,771 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 21:59:51,771 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 467 predicate places. [2021-03-25 21:59:51,771 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:51,771 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 1236 transitions, 37966 flow [2021-03-25 21:59:51,771 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 1236 transitions, 37966 flow [2021-03-25 21:59:51,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 1236 transitions, 37966 flow [2021-03-25 21:59:52,486 INFO L129 PetriNetUnfolder]: 1157/3047 cut-off events. [2021-03-25 21:59:52,486 INFO L130 PetriNetUnfolder]: For 163151/163249 co-relation queries the response was YES. [2021-03-25 21:59:52,527 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 21:59:52,558 INFO L142 LiptonReduction]: Number of co-enabled transitions 1722 [2021-03-25 21:59:52,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:52,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:52,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-25 21:59:52,721 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 1236 transitions, 37966 flow [2021-03-25 21:59:52,721 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 21:59:52,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:52,722 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:52,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-25 21:59:52,923 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:52,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:52,923 INFO L82 PathProgramCache]: Analyzing trace with hash 874373517, now seen corresponding path program 36 times [2021-03-25 21:59:52,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:52,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040644489] [2021-03-25 21:59:52,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:52,946 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 21:59:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 21:59:52,977 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 21:59:52,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:59:52,991 INFO L142 QuantifierPusher]: treesize reduction 22, result has 70.3 percent of original size [2021-03-25 21:59:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 21:59:53,012 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 21:59:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 21:59:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 21:59:53,041 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 21:59:53,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:53,053 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 21:59:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:53,062 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 21:59:53,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040644489] [2021-03-25 21:59:53,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246804711] [2021-03-25 21:59:53,063 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 21:59:53,081 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 21:59:53,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 21:59:53,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-25 21:59:53,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:53,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 21:59:53,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,121 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 21:59:53,122 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 21:59:53,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 21:59:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 21:59:53,178 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-25 21:59:53,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:53,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 21:59:53,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:59:53,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 21:59:53,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,209 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 21:59:53,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:53,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:53,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:53,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:53,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 21:59:53,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 21:59:53,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 21:59:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 21:59:53,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:53,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 21:59:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 21:59:53,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:59:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 21:59:53,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 21:59:53,222 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 21:59:53,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:53,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:53,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 21:59:53,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 21:59:53,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 21:59:53,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:53,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:53,257 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 21:59:53,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:53,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 21:59:53,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862437150] [2021-03-25 21:59:53,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 21:59:53,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 21:59:53,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-03-25 21:59:53,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 21:59:53,258 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 21:59:53,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:53,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 21:59:53,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 21:59:55,323 INFO L129 PetriNetUnfolder]: 1358/3286 cut-off events. [2021-03-25 21:59:55,323 INFO L130 PetriNetUnfolder]: For 193752/193796 co-relation queries the response was YES. [2021-03-25 21:59:55,366 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 21:59:55,383 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 1135 selfloop transitions, 112 changer transitions 1/1254 dead transitions. [2021-03-25 21:59:55,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 1254 transitions, 41059 flow [2021-03-25 21:59:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 21:59:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 21:59:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 292 transitions. [2021-03-25 21:59:55,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2994871794871795 [2021-03-25 21:59:55,384 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 292 transitions. [2021-03-25 21:59:55,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 292 transitions. [2021-03-25 21:59:55,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 21:59:55,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 292 transitions. [2021-03-25 21:59:55,385 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 21:59:55,385 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 21:59:55,386 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 21:59:55,386 INFO L185 Difference]: Start difference. First operand has 488 places, 1236 transitions, 37966 flow. Second operand 15 states and 292 transitions. [2021-03-25 21:59:55,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 1254 transitions, 41059 flow [2021-03-25 21:59:57,142 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 21:59:57,177 INFO L241 Difference]: Finished difference. Result has 497 places, 1239 transitions, 37629 flow [2021-03-25 21:59:57,178 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 21:59:57,179 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 476 predicate places. [2021-03-25 21:59:57,179 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 21:59:57,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 1239 transitions, 37629 flow [2021-03-25 21:59:57,179 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 1239 transitions, 37629 flow [2021-03-25 21:59:57,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 1239 transitions, 37629 flow [2021-03-25 21:59:57,966 INFO L129 PetriNetUnfolder]: 1158/3046 cut-off events. [2021-03-25 21:59:57,966 INFO L130 PetriNetUnfolder]: For 155826/155924 co-relation queries the response was YES. [2021-03-25 21:59:58,010 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 21:59:58,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 1730 [2021-03-25 21:59:58,223 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 21:59:58,223 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 21:59:58,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1044 [2021-03-25 21:59:58,223 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 1239 transitions, 37629 flow [2021-03-25 21:59:58,223 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 21:59:58,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 21:59:58,223 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 21:59:58,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-03-25 21:59:58,424 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 21:59:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 21:59:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash -759213824, now seen corresponding path program 1 times [2021-03-25 21:59:58,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 21:59:58,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035262079] [2021-03-25 21:59:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 21:59:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:58,432 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 21:59:58,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,437 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,442 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 21:59:58,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,462 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 21:59:58,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035262079] [2021-03-25 21:59:58,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889297626] [2021-03-25 21:59:58,462 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) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 21:59:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 21:59:58,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 21:59:58,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 21:59:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:58,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 21:59:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:58,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:58,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:58,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 21:59:58,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 21:59:58,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 21:59:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:58,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 21:59:58,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 21:59:58,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:58,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 21:59:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 21:59:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,532 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 21:59:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 21:59:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 21:59:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 21:59:58,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 21:59:58,535 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 21:59:58,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 21:59:58,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 21:59:58,541 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 21:59:58,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 21:59:58,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 21:59:58,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245357978] [2021-03-25 21:59:58,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 21:59:58,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 21:59:58,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 21:59:58,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-25 21:59:58,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 65 [2021-03-25 21:59:58,542 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 21:59:58,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 21:59:58,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 65 [2021-03-25 21:59:58,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:00,406 INFO L129 PetriNetUnfolder]: 1451/3540 cut-off events. [2021-03-25 22:00:00,407 INFO L130 PetriNetUnfolder]: For 200156/200196 co-relation queries the response was YES. [2021-03-25 22:00:00,451 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 22:00:00,470 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 876 selfloop transitions, 533 changer transitions 6/1423 dead transitions. [2021-03-25 22:00:00,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1423 transitions, 46688 flow [2021-03-25 22:00:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-25 22:00:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-25 22:00:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 616 transitions. [2021-03-25 22:00:00,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3057071960297767 [2021-03-25 22:00:00,472 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 616 transitions. [2021-03-25 22:00:00,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 616 transitions. [2021-03-25 22:00:00,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:00,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 616 transitions. [2021-03-25 22:00:00,472 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 22:00:00,473 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 22:00:00,474 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 22:00:00,474 INFO L185 Difference]: Start difference. First operand has 497 places, 1239 transitions, 37629 flow. Second operand 31 states and 616 transitions. [2021-03-25 22:00:00,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 1423 transitions, 46688 flow [2021-03-25 22:00:02,268 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 22:00:02,301 INFO L241 Difference]: Finished difference. Result has 526 places, 1381 transitions, 44179 flow [2021-03-25 22:00:02,302 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 22:00:02,302 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 505 predicate places. [2021-03-25 22:00:02,302 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:02,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 1381 transitions, 44179 flow [2021-03-25 22:00:02,302 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 1381 transitions, 44179 flow [2021-03-25 22:00:02,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 525 places, 1381 transitions, 44179 flow [2021-03-25 22:00:03,308 INFO L129 PetriNetUnfolder]: 1293/3363 cut-off events. [2021-03-25 22:00:03,308 INFO L130 PetriNetUnfolder]: For 200830/200897 co-relation queries the response was YES. [2021-03-25 22:00:03,349 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 22:00:03,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 1978 [2021-03-25 22:00:03,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:03,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:03,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1293 [2021-03-25 22:00:03,595 INFO L480 AbstractCegarLoop]: Abstraction has has 525 places, 1381 transitions, 44179 flow [2021-03-25 22:00:03,595 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 22:00:03,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:03,595 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:03,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-25 22:00:03,796 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash -18513464, now seen corresponding path program 2 times [2021-03-25 22:00:03,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:03,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148353818] [2021-03-25 22:00:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:03,804 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:00:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,808 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:03,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,841 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 22:00:03,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148353818] [2021-03-25 22:00:03,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940359727] [2021-03-25 22:00:03,842 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) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:00:03,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:00:03,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:00:03,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:00:03,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:00:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:03,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:00:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:00:03,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:03,918 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:00:03,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:03,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:03,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:00:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:00:03,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:03,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:03,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:00:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:03,948 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 22:00:03,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:03,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 22:00:03,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884270011] [2021-03-25 22:00:03,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:00:03,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:00:03,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:00:03,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 65 [2021-03-25 22:00:03,949 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 22:00:03,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:03,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 65 [2021-03-25 22:00:03,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:06,081 INFO L129 PetriNetUnfolder]: 1452/3513 cut-off events. [2021-03-25 22:00:06,082 INFO L130 PetriNetUnfolder]: For 222678/222783 co-relation queries the response was YES. [2021-03-25 22:00:06,129 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 22:00:06,148 INFO L132 encePairwiseOnDemand]: 47/65 looper letters, 1030 selfloop transitions, 384 changer transitions 0/1422 dead transitions. [2021-03-25 22:00:06,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 1422 transitions, 48436 flow [2021-03-25 22:00:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:00:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:00:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 413 transitions. [2021-03-25 22:00:06,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.334412955465587 [2021-03-25 22:00:06,149 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 413 transitions. [2021-03-25 22:00:06,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 413 transitions. [2021-03-25 22:00:06,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:06,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 413 transitions. [2021-03-25 22:00:06,150 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 22:00:06,151 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 22:00:06,151 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 22:00:06,152 INFO L185 Difference]: Start difference. First operand has 525 places, 1381 transitions, 44179 flow. Second operand 19 states and 413 transitions. [2021-03-25 22:00:06,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 1422 transitions, 48436 flow [2021-03-25 22:00:08,615 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 22:00:08,645 INFO L241 Difference]: Finished difference. Result has 540 places, 1391 transitions, 44624 flow [2021-03-25 22:00:08,646 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 22:00:08,646 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 519 predicate places. [2021-03-25 22:00:08,646 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:08,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 1391 transitions, 44624 flow [2021-03-25 22:00:08,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 1391 transitions, 44624 flow [2021-03-25 22:00:08,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 1391 transitions, 44624 flow [2021-03-25 22:00:09,529 INFO L129 PetriNetUnfolder]: 1294/3389 cut-off events. [2021-03-25 22:00:09,530 INFO L130 PetriNetUnfolder]: For 195735/195839 co-relation queries the response was YES. [2021-03-25 22:00:09,586 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 22:00:09,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 1994 [2021-03-25 22:00:09,849 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:09,849 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:09,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1203 [2021-03-25 22:00:09,850 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 1391 transitions, 44624 flow [2021-03-25 22:00:09,850 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 22:00:09,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:09,850 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:10,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-25 22:00:10,051 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:10,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1598232972, now seen corresponding path program 1 times [2021-03-25 22:00:10,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:10,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203279372] [2021-03-25 22:00:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:10,058 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 22:00:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:10,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:10,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:10,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:10,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:10,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:10,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,094 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 22:00:10,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203279372] [2021-03-25 22:00:10,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498243238] [2021-03-25 22:00:10,094 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 22:00:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:10,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:00:10,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:00:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:10,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:10,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,187 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 22:00:10,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:10,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:10,210 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 22:00:10,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:10,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 22:00:10,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107440648] [2021-03-25 22:00:10,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:00:10,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:10,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:00:10,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:00:10,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 22:00:10,211 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 22:00:10,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:10,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 22:00:10,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:13,021 INFO L129 PetriNetUnfolder]: 2086/5090 cut-off events. [2021-03-25 22:00:13,021 INFO L130 PetriNetUnfolder]: For 324999/325037 co-relation queries the response was YES. [2021-03-25 22:00:13,096 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 22:00:13,128 INFO L132 encePairwiseOnDemand]: 49/65 looper letters, 1357 selfloop transitions, 637 changer transitions 4/2006 dead transitions. [2021-03-25 22:00:13,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 2006 transitions, 64591 flow [2021-03-25 22:00:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-25 22:00:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-25 22:00:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 553 transitions. [2021-03-25 22:00:13,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3403076923076923 [2021-03-25 22:00:13,129 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 553 transitions. [2021-03-25 22:00:13,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 553 transitions. [2021-03-25 22:00:13,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:13,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 553 transitions. [2021-03-25 22:00:13,130 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 22:00:13,131 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 22:00:13,131 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 22:00:13,131 INFO L185 Difference]: Start difference. First operand has 540 places, 1391 transitions, 44624 flow. Second operand 25 states and 553 transitions. [2021-03-25 22:00:13,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 2006 transitions, 64591 flow [2021-03-25 22:00:16,433 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 22:00:16,472 INFO L241 Difference]: Finished difference. Result has 556 places, 1630 transitions, 51393 flow [2021-03-25 22:00:16,473 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 22:00:16,473 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 535 predicate places. [2021-03-25 22:00:16,473 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:16,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 1630 transitions, 51393 flow [2021-03-25 22:00:16,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 1630 transitions, 51393 flow [2021-03-25 22:00:16,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 555 places, 1630 transitions, 51393 flow [2021-03-25 22:00:18,091 INFO L129 PetriNetUnfolder]: 1726/4641 cut-off events. [2021-03-25 22:00:18,091 INFO L130 PetriNetUnfolder]: For 285727/286005 co-relation queries the response was YES. [2021-03-25 22:00:18,162 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 22:00:18,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 2270 [2021-03-25 22:00:18,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:18,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:18,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2042 [2021-03-25 22:00:18,515 INFO L480 AbstractCegarLoop]: Abstraction has has 555 places, 1630 transitions, 51393 flow [2021-03-25 22:00:18,515 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 22:00:18,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:18,515 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:18,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:00:18,716 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:18,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:18,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1763845548, now seen corresponding path program 2 times [2021-03-25 22:00:18,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:18,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169002259] [2021-03-25 22:00:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:18,724 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 22:00:18,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:18,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:18,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:00:18,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:18,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,761 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 22:00:18,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169002259] [2021-03-25 22:00:18,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066804700] [2021-03-25 22:00:18,762 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) [2021-03-25 22:00:18,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:00:18,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:00:18,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:00:18,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:00:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:18,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:18,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 22:00:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:18,914 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 22:00:18,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:18,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 22:00:18,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022834653] [2021-03-25 22:00:18,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:00:18,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:18,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:00:18,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:00:18,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 22:00:18,916 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 22:00:18,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:18,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 22:00:18,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:22,492 INFO L129 PetriNetUnfolder]: 2181/5268 cut-off events. [2021-03-25 22:00:22,492 INFO L130 PetriNetUnfolder]: For 345781/345823 co-relation queries the response was YES. [2021-03-25 22:00:22,564 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 22:00:22,596 INFO L132 encePairwiseOnDemand]: 50/65 looper letters, 1366 selfloop transitions, 566 changer transitions 2/1942 dead transitions. [2021-03-25 22:00:22,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 1942 transitions, 63908 flow [2021-03-25 22:00:22,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:00:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:00:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 414 transitions. [2021-03-25 22:00:22,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35384615384615387 [2021-03-25 22:00:22,597 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 414 transitions. [2021-03-25 22:00:22,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 414 transitions. [2021-03-25 22:00:22,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:22,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 414 transitions. [2021-03-25 22:00:22,598 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 22:00:22,599 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 22:00:22,599 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 22:00:22,599 INFO L185 Difference]: Start difference. First operand has 555 places, 1630 transitions, 51393 flow. Second operand 18 states and 414 transitions. [2021-03-25 22:00:22,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 1942 transitions, 63908 flow [2021-03-25 22:00:26,094 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 22:00:26,133 INFO L241 Difference]: Finished difference. Result has 566 places, 1693 transitions, 52425 flow [2021-03-25 22:00:26,134 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 22:00:26,134 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 545 predicate places. [2021-03-25 22:00:26,134 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:26,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 1693 transitions, 52425 flow [2021-03-25 22:00:26,135 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 1693 transitions, 52425 flow [2021-03-25 22:00:26,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 1693 transitions, 52425 flow [2021-03-25 22:00:27,681 INFO L129 PetriNetUnfolder]: 1801/4756 cut-off events. [2021-03-25 22:00:27,681 INFO L130 PetriNetUnfolder]: For 279643/280021 co-relation queries the response was YES. [2021-03-25 22:00:27,884 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 22:00:27,935 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-25 22:00:28,244 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:28,244 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:28,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2110 [2021-03-25 22:00:28,245 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 1693 transitions, 52425 flow [2021-03-25 22:00:28,245 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 22:00:28,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:28,245 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:28,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:00:28,445 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:28,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1558309268, now seen corresponding path program 7 times [2021-03-25 22:00:28,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:28,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008511676] [2021-03-25 22:00:28,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:28,460 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-03-25 22:00:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,480 INFO L142 QuantifierPusher]: treesize reduction 86, result has 47.6 percent of original size [2021-03-25 22:00:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 22:00:28,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size [2021-03-25 22:00:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 22:00:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 22:00:28,615 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-03-25 22:00:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:00:28,628 INFO L142 QuantifierPusher]: treesize reduction 19, result has 50.0 percent of original size [2021-03-25 22:00:28,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:28,641 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-25 22:00:28,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,651 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 22:00:28,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008511676] [2021-03-25 22:00:28,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498741981] [2021-03-25 22:00:28,652 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 22:00:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:28,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 22:00:28,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:00:28,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:28,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,699 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 22:00:28,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-25 22:00:28,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:00:28,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:00:28,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:00:28,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:28,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:28,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:28,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:28,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:28,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:28,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:28,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:28,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,757 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size 36 [2021-03-25 22:00:28,757 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-25 22:00:28,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:00:28,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:00:28,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:00:28,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:00:28,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:28,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:00:28,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:00:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:00:28,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,771 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 22:00:28,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,772 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 22:00:28,772 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 22:00:28,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:00:28,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 22:00:28,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,781 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:00:28,781 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,782 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 22:00:28,783 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 22:00:28,783 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 22:00:28,783 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-03-25 22:00:28,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 22:00:28,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:00:28,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:00:28,800 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 22:00:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:00:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:00:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:00:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,803 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 22:00:28,804 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:28,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 22:00:28,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:28,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:28,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:28,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:28,830 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 22:00:28,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:28,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 22:00:28,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188956120] [2021-03-25 22:00:28,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 22:00:28,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:28,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 22:00:28,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 22:00:28,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 22:00:28,831 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 22:00:28,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:28,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 22:00:28,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:29,409 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-25 22:00:32,869 INFO L129 PetriNetUnfolder]: 2189/5241 cut-off events. [2021-03-25 22:00:32,870 INFO L130 PetriNetUnfolder]: For 324229/324271 co-relation queries the response was YES. [2021-03-25 22:00:32,938 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 22:00:32,968 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 1554 selfloop transitions, 171 changer transitions 1/1732 dead transitions. [2021-03-25 22:00:32,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 1732 transitions, 56971 flow [2021-03-25 22:00:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:00:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:00:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 300 transitions. [2021-03-25 22:00:32,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3076923076923077 [2021-03-25 22:00:32,970 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 300 transitions. [2021-03-25 22:00:32,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 300 transitions. [2021-03-25 22:00:32,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:32,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 300 transitions. [2021-03-25 22:00:32,970 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 22:00:32,971 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 22:00:32,971 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 22:00:32,971 INFO L185 Difference]: Start difference. First operand has 566 places, 1693 transitions, 52425 flow. Second operand 15 states and 300 transitions. [2021-03-25 22:00:32,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 1732 transitions, 56971 flow [2021-03-25 22:00:36,131 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 22:00:36,167 INFO L241 Difference]: Finished difference. Result has 575 places, 1703 transitions, 52396 flow [2021-03-25 22:00:36,168 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 22:00:36,168 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 554 predicate places. [2021-03-25 22:00:36,168 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:36,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 575 places, 1703 transitions, 52396 flow [2021-03-25 22:00:36,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 575 places, 1703 transitions, 52396 flow [2021-03-25 22:00:36,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 575 places, 1703 transitions, 52396 flow [2021-03-25 22:00:37,690 INFO L129 PetriNetUnfolder]: 1807/4775 cut-off events. [2021-03-25 22:00:37,690 INFO L130 PetriNetUnfolder]: For 281638/282010 co-relation queries the response was YES. [2021-03-25 22:00:37,952 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 22:00:38,002 INFO L142 LiptonReduction]: Number of co-enabled transitions 2286 [2021-03-25 22:00:38,306 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:38,306 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:38,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2138 [2021-03-25 22:00:38,307 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 1703 transitions, 52396 flow [2021-03-25 22:00:38,307 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 22:00:38,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:38,307 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:38,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:00:38,507 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:38,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:38,508 INFO L82 PathProgramCache]: Analyzing trace with hash 811270014, now seen corresponding path program 1 times [2021-03-25 22:00:38,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:38,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785227578] [2021-03-25 22:00:38,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:38,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:00:38,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,528 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 22:00:38,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785227578] [2021-03-25 22:00:38,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273129338] [2021-03-25 22:00:38,528 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 22:00:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:38,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 22:00:38,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:00:38,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:38,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:38,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:00:38,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:00:38,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:38,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:00:38,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:38,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:00:38,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:00:38,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:38,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:38,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:38,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:00:38,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:38,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:38,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:00:38,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:38,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:00:38,598 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 22:00:38,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:38,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 22:00:38,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603650794] [2021-03-25 22:00:38,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:00:38,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:38,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:00:38,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:00:38,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 65 [2021-03-25 22:00:38,599 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 22:00:38,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:38,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 65 [2021-03-25 22:00:38,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:42,232 INFO L129 PetriNetUnfolder]: 2575/5830 cut-off events. [2021-03-25 22:00:42,232 INFO L130 PetriNetUnfolder]: For 355238/355280 co-relation queries the response was YES. [2021-03-25 22:00:42,312 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 22:00:42,346 INFO L132 encePairwiseOnDemand]: 55/65 looper letters, 1406 selfloop transitions, 645 changer transitions 0/2059 dead transitions. [2021-03-25 22:00:42,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 2059 transitions, 64673 flow [2021-03-25 22:00:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 22:00:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 22:00:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 177 transitions. [2021-03-25 22:00:42,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.389010989010989 [2021-03-25 22:00:42,347 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 177 transitions. [2021-03-25 22:00:42,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 177 transitions. [2021-03-25 22:00:42,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:42,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 177 transitions. [2021-03-25 22:00:42,348 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 22:00:42,348 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 22:00:42,348 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 22:00:42,348 INFO L185 Difference]: Start difference. First operand has 575 places, 1703 transitions, 52396 flow. Second operand 7 states and 177 transitions. [2021-03-25 22:00:42,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 2059 transitions, 64673 flow [2021-03-25 22:00:45,610 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 22:00:45,648 INFO L241 Difference]: Finished difference. Result has 576 places, 1913 transitions, 57818 flow [2021-03-25 22:00:45,649 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 22:00:45,649 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 555 predicate places. [2021-03-25 22:00:45,650 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:45,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 576 places, 1913 transitions, 57818 flow [2021-03-25 22:00:45,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 576 places, 1913 transitions, 57818 flow [2021-03-25 22:00:45,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 576 places, 1913 transitions, 57818 flow [2021-03-25 22:00:47,430 INFO L129 PetriNetUnfolder]: 2073/5186 cut-off events. [2021-03-25 22:00:47,430 INFO L130 PetriNetUnfolder]: For 305550/306077 co-relation queries the response was YES. [2021-03-25 22:00:47,505 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 22:00:47,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 2368 [2021-03-25 22:00:47,963 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:00:47,964 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:00:47,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2314 [2021-03-25 22:00:47,964 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 1913 transitions, 57818 flow [2021-03-25 22:00:47,964 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 22:00:47,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:00:47,964 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:00:48,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-03-25 22:00:48,165 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:00:48,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:00:48,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1864045928, now seen corresponding path program 8 times [2021-03-25 22:00:48,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:00:48,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566446785] [2021-03-25 22:00:48,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:00:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:00:48,181 INFO L142 QuantifierPusher]: treesize reduction 11, result has 66.7 percent of original size [2021-03-25 22:00:48,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:00:48,201 INFO L142 QuantifierPusher]: treesize reduction 94, result has 46.3 percent of original size [2021-03-25 22:00:48,201 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 78 [2021-03-25 22:00:48,274 INFO L142 QuantifierPusher]: treesize reduction 39, result has 64.5 percent of original size [2021-03-25 22:00:48,274 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size 68 [2021-03-25 22:00:48,339 INFO L142 QuantifierPusher]: treesize reduction 17, result has 78.8 percent of original size [2021-03-25 22:00:48,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 22:00:48,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:00:48,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:00:48,420 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:00:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,434 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 22:00:48,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566446785] [2021-03-25 22:00:48,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328485847] [2021-03-25 22:00:48,434 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 22:00:48,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:00:48,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:00:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-25 22:00:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:00:48,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:00:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,468 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size 27 [2021-03-25 22:00:48,469 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 22:00:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:00:48,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,494 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-25 22:00:48,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 22:00:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:00:48,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,524 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-03-25 22:00:48,524 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-03-25 22:00:48,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:00:48,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:00:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:00:48,549 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 22:00:48,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:00:48,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:00:48,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 22:00:48,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:00:48,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,582 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-03-25 22:00:48,583 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 22:00:48,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:48,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:00:48,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:00:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:00:48,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:00:48,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:00:48,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:00:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:00:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:00:48,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:00:48,593 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 22:00:48,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:48,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:00:48,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:00:48,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,599 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 22:00:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:48,600 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 22:00:48,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 22:00:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:00:48,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:00:48,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:00:48,616 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 22:00:48,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:00:48,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 22:00:48,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521404788] [2021-03-25 22:00:48,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:00:48,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:00:48,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:00:48,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:00:48,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 65 [2021-03-25 22:00:48,617 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 22:00:48,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:00:48,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 65 [2021-03-25 22:00:48,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:00:53,315 INFO L129 PetriNetUnfolder]: 2596/5916 cut-off events. [2021-03-25 22:00:53,316 INFO L130 PetriNetUnfolder]: For 360791/360837 co-relation queries the response was YES. [2021-03-25 22:00:53,511 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 22:00:53,548 INFO L132 encePairwiseOnDemand]: 36/65 looper letters, 1507 selfloop transitions, 468 changer transitions 5/1986 dead transitions. [2021-03-25 22:00:53,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 1986 transitions, 63754 flow [2021-03-25 22:00:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 22:00:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 22:00:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 374 transitions. [2021-03-25 22:00:53,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2876923076923077 [2021-03-25 22:00:53,549 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 374 transitions. [2021-03-25 22:00:53,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 374 transitions. [2021-03-25 22:00:53,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:00:53,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 374 transitions. [2021-03-25 22:00:53,550 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 22:00:53,550 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 22:00:53,551 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 22:00:53,551 INFO L185 Difference]: Start difference. First operand has 576 places, 1913 transitions, 57818 flow. Second operand 20 states and 374 transitions. [2021-03-25 22:00:53,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 1986 transitions, 63754 flow [2021-03-25 22:00:57,123 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 22:00:57,164 INFO L241 Difference]: Finished difference. Result has 600 places, 1945 transitions, 59111 flow [2021-03-25 22:00:57,165 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 22:00:57,165 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 579 predicate places. [2021-03-25 22:00:57,165 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:00:57,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 1945 transitions, 59111 flow [2021-03-25 22:00:57,165 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 1945 transitions, 59111 flow [2021-03-25 22:00:57,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 600 places, 1945 transitions, 59111 flow [2021-03-25 22:00:58,945 INFO L129 PetriNetUnfolder]: 2087/5214 cut-off events. [2021-03-25 22:00:58,945 INFO L130 PetriNetUnfolder]: For 318704/319213 co-relation queries the response was YES. [2021-03-25 22:00:59,017 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 22:00:59,073 INFO L142 LiptonReduction]: Number of co-enabled transitions 2404 [2021-03-25 22:01:00,093 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 22:01:00,093 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:01:00,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2928 [2021-03-25 22:01:00,093 INFO L480 AbstractCegarLoop]: Abstraction has has 600 places, 1945 transitions, 59161 flow [2021-03-25 22:01:00,093 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 22:01:00,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:00,093 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:00,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:00,294 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:00,294 INFO L82 PathProgramCache]: Analyzing trace with hash 4272718, now seen corresponding path program 9 times [2021-03-25 22:01:00,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:00,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252563460] [2021-03-25 22:01:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:00,309 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 22:01:00,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:00,335 INFO L142 QuantifierPusher]: treesize reduction 71, result has 62.2 percent of original size [2021-03-25 22:01:00,336 INFO L147 QuantifierPusher]: treesize reduction 41, result has 65.0 percent of original size 76 [2021-03-25 22:01:00,427 INFO L142 QuantifierPusher]: treesize reduction 41, result has 60.2 percent of original size [2021-03-25 22:01:00,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 22:01:00,481 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-25 22:01:00,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:01:00,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:00,514 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:01:00,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,526 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 22:01:00,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252563460] [2021-03-25 22:01:00,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010228442] [2021-03-25 22:01:00,527 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) [2021-03-25 22:01:00,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 22:01:00,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:01:00,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:01:00,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:00,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:00,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:00,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,585 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-25 22:01:00,585 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 22:01:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:01:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:01:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:01:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:01:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:01:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:01:00,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:01:00,630 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 22:01:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:01:00,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,658 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 22:01:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:00,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:00,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:01:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:00,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:00,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:00,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:01:00,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:01:00,672 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 22:01:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:00,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:01:00,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,679 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 22:01:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:00,680 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 22:01:00,680 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 22:01:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:00,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:00,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:00,700 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 22:01:00,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:00,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-25 22:01:00,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973054045] [2021-03-25 22:01:00,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:01:00,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:00,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:01:00,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:01:00,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 22:01:00,702 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 22:01:00,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:00,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 22:01:00,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:01:05,653 INFO L129 PetriNetUnfolder]: 2595/5874 cut-off events. [2021-03-25 22:01:05,653 INFO L130 PetriNetUnfolder]: For 370515/370714 co-relation queries the response was YES. [2021-03-25 22:01:05,742 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 22:01:05,779 INFO L132 encePairwiseOnDemand]: 49/67 looper letters, 1898 selfloop transitions, 52 changer transitions 3/1959 dead transitions. [2021-03-25 22:01:05,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1959 transitions, 63471 flow [2021-03-25 22:01:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:01:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:01:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 187 transitions. [2021-03-25 22:01:05,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3101160862354892 [2021-03-25 22:01:05,780 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 187 transitions. [2021-03-25 22:01:05,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 187 transitions. [2021-03-25 22:01:05,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:01:05,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 187 transitions. [2021-03-25 22:01:05,781 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 22:01:05,781 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 22:01:05,781 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 22:01:05,781 INFO L185 Difference]: Start difference. First operand has 600 places, 1945 transitions, 59161 flow. Second operand 9 states and 187 transitions. [2021-03-25 22:01:05,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1959 transitions, 63471 flow [2021-03-25 22:01:09,380 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 22:01:09,421 INFO L241 Difference]: Finished difference. Result has 602 places, 1952 transitions, 59185 flow [2021-03-25 22:01:09,422 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 22:01:09,422 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 581 predicate places. [2021-03-25 22:01:09,422 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:01:09,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 1952 transitions, 59185 flow [2021-03-25 22:01:09,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 1952 transitions, 59185 flow [2021-03-25 22:01:09,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 1952 transitions, 59185 flow [2021-03-25 22:01:11,163 INFO L129 PetriNetUnfolder]: 2082/5204 cut-off events. [2021-03-25 22:01:11,164 INFO L130 PetriNetUnfolder]: For 318573/319073 co-relation queries the response was YES. [2021-03-25 22:01:11,237 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 22:01:11,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 2422 [2021-03-25 22:01:11,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:01:11,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:01:11,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2280 [2021-03-25 22:01:11,703 INFO L480 AbstractCegarLoop]: Abstraction has has 602 places, 1952 transitions, 59185 flow [2021-03-25 22:01:11,703 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 22:01:11,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:11,703 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:11,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-25 22:01:11,908 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:11,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash -683961690, now seen corresponding path program 1 times [2021-03-25 22:01:11,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:11,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711278921] [2021-03-25 22:01:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:11,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 22:01:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:11,937 INFO L142 QuantifierPusher]: treesize reduction 110, result has 40.9 percent of original size [2021-03-25 22:01:11,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 22:01:11,991 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 22:01:11,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:01:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:12,027 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:01:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,037 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 22:01:12,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711278921] [2021-03-25 22:01:12,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201988937] [2021-03-25 22:01:12,037 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 22:01:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:12,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:01:12,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:12,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,077 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 22:01:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:12,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,103 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-25 22:01:12,104 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 22:01:12,104 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-03-25 22:01:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:01:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:01:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:01:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,120 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 22:01:12,121 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 22:01:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:01:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,141 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 22:01:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:12,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:12,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:12,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:12,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:01:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:12,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:01:12,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:01:12,156 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 22:01:12,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:12,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:12,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:01:12,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:12,164 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 22:01:12,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 22:01:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:12,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:12,181 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 22:01:12,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:12,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-25 22:01:12,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320985873] [2021-03-25 22:01:12,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:01:12,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:12,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:01:12,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:01:12,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 22:01:12,182 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 22:01:12,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:12,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 22:01:12,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:01:16,508 INFO L129 PetriNetUnfolder]: 2595/5870 cut-off events. [2021-03-25 22:01:16,508 INFO L130 PetriNetUnfolder]: For 371004/371174 co-relation queries the response was YES. [2021-03-25 22:01:16,595 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 22:01:16,630 INFO L132 encePairwiseOnDemand]: 50/67 looper letters, 1908 selfloop transitions, 36 changer transitions 4/1954 dead transitions. [2021-03-25 22:01:16,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1954 transitions, 63150 flow [2021-03-25 22:01:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 22:01:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 22:01:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-25 22:01:16,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31982942430703626 [2021-03-25 22:01:16,631 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-25 22:01:16,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-25 22:01:16,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:01:16,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-25 22:01:16,632 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 22:01:16,632 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 22:01:16,632 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 22:01:16,632 INFO L185 Difference]: Start difference. First operand has 602 places, 1952 transitions, 59185 flow. Second operand 7 states and 150 transitions. [2021-03-25 22:01:16,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1954 transitions, 63150 flow [2021-03-25 22:01:20,141 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 22:01:20,178 INFO L241 Difference]: Finished difference. Result has 603 places, 1950 transitions, 59113 flow [2021-03-25 22:01:20,179 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 22:01:20,180 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 582 predicate places. [2021-03-25 22:01:20,180 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:01:20,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 1950 transitions, 59113 flow [2021-03-25 22:01:20,180 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 1950 transitions, 59113 flow [2021-03-25 22:01:20,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 1950 transitions, 59113 flow [2021-03-25 22:01:21,909 INFO L129 PetriNetUnfolder]: 2079/5194 cut-off events. [2021-03-25 22:01:21,909 INFO L130 PetriNetUnfolder]: For 321129/321626 co-relation queries the response was YES. [2021-03-25 22:01:21,984 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 22:01:22,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 2422 [2021-03-25 22:01:22,413 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:01:22,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:01:22,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2233 [2021-03-25 22:01:22,414 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 1950 transitions, 59113 flow [2021-03-25 22:01:22,414 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 22:01:22,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:22,414 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:22,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:22,615 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash -389817626, now seen corresponding path program 2 times [2021-03-25 22:01:22,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:22,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517917274] [2021-03-25 22:01:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:22,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 22:01:22,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:22,646 INFO L142 QuantifierPusher]: treesize reduction 110, result has 40.9 percent of original size [2021-03-25 22:01:22,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 22:01:22,699 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 22:01:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:01:22,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,725 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:01:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,738 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 22:01:22,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517917274] [2021-03-25 22:01:22,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813818639] [2021-03-25 22:01:22,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:22,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:01:22,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:01:22,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:01:22,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:22,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:22,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,774 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size 27 [2021-03-25 22:01:22,774 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 22:01:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:22,792 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 22:01:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 22:01:22,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:01:22,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:01:22,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:01:22,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:01:22,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:01:22,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,835 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-03-25 22:01:22,836 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 22:01:22,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:01:22,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:22,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:22,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:22,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:01:22,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:01:22,848 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 22:01:22,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:22,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:22,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:01:22,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,853 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 22:01:22,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:22,854 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 22:01:22,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-03-25 22:01:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:22,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:22,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:22,869 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 22:01:22,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:22,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-25 22:01:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503784213] [2021-03-25 22:01:22,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:01:22,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:22,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:01:22,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:01:22,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 22:01:22,870 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 22:01:22,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:22,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 22:01:22,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:01:27,086 INFO L129 PetriNetUnfolder]: 2597/5883 cut-off events. [2021-03-25 22:01:27,087 INFO L130 PetriNetUnfolder]: For 374190/374403 co-relation queries the response was YES. [2021-03-25 22:01:27,174 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 22:01:27,209 INFO L132 encePairwiseOnDemand]: 50/67 looper letters, 1903 selfloop transitions, 52 changer transitions 3/1964 dead transitions. [2021-03-25 22:01:27,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 1964 transitions, 63442 flow [2021-03-25 22:01:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:01:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:01:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 170 transitions. [2021-03-25 22:01:27,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31716417910447764 [2021-03-25 22:01:27,210 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 170 transitions. [2021-03-25 22:01:27,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 170 transitions. [2021-03-25 22:01:27,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:01:27,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 170 transitions. [2021-03-25 22:01:27,210 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 22:01:27,210 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 22:01:27,211 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 22:01:27,211 INFO L185 Difference]: Start difference. First operand has 603 places, 1950 transitions, 59113 flow. Second operand 8 states and 170 transitions. [2021-03-25 22:01:27,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 1964 transitions, 63442 flow [2021-03-25 22:01:30,901 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 22:01:30,938 INFO L241 Difference]: Finished difference. Result has 608 places, 1956 transitions, 59352 flow [2021-03-25 22:01:30,939 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 22:01:30,939 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 587 predicate places. [2021-03-25 22:01:30,939 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:01:30,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 1956 transitions, 59352 flow [2021-03-25 22:01:30,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 1956 transitions, 59352 flow [2021-03-25 22:01:30,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 608 places, 1956 transitions, 59352 flow [2021-03-25 22:01:32,701 INFO L129 PetriNetUnfolder]: 2085/5213 cut-off events. [2021-03-25 22:01:32,701 INFO L130 PetriNetUnfolder]: For 326171/326675 co-relation queries the response was YES. [2021-03-25 22:01:32,784 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 22:01:32,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 2426 [2021-03-25 22:01:33,248 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:01:33,248 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:01:33,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2309 [2021-03-25 22:01:33,248 INFO L480 AbstractCegarLoop]: Abstraction has has 608 places, 1956 transitions, 59352 flow [2021-03-25 22:01:33,249 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 22:01:33,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:33,249 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:33,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-25 22:01:33,449 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:33,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:33,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1095606917, now seen corresponding path program 37 times [2021-03-25 22:01:33,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:33,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970441647] [2021-03-25 22:01:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:33,464 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 22:01:33,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 22:01:33,501 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 22:01:33,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:01:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:01:33,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:01:33,551 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 22:01:33,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,562 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 22:01:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:33,572 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 22:01:33,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970441647] [2021-03-25 22:01:33,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877922226] [2021-03-25 22:01:33,572 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 22:01:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:33,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 22:01:33,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:33,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:33,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,634 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 22:01:33,634 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 22:01:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:01:33,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:01:33,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:01:33,655 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-25 22:01:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:33,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:33,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,678 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-03-25 22:01:33,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-25 22:01:33,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:33,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:01:33,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:01:33,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:01:33,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:01:33,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:01:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,734 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-25 22:01:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:01:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:01:33,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:33,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:01:33,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:33,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:01:33,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:01:33,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:33,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:01:33,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:01:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:01:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:01:33,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,765 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 22:01:33,765 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 22:01:33,766 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 22:01:33,766 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:01:33,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,767 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 22:01:33,768 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-25 22:01:33,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:01:33,771 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 22:01:33,771 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 22:01:33,772 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,773 INFO L147 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size 32 [2021-03-25 22:01:33,774 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-25 22:01:33,774 INFO L147 QuantifierPusher]: treesize reduction 24, result has 25.0 percent of original size 8 [2021-03-25 22:01:33,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 22:01:33,803 INFO L628 ElimStorePlain]: treesize reduction 24, result has 48.9 percent of original size [2021-03-25 22:01:33,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,804 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:01:33,805 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,806 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-25 22:01:33,807 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-25 22:01:33,807 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 22:01:33,807 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:22 [2021-03-25 22:01:33,807 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 22:01:33,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,833 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 22:01:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:01:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:01:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,836 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 22:01:33,837 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:01:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:33,863 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 22:01:33,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:33,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 22:01:33,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254957591] [2021-03-25 22:01:33,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 22:01:33,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:33,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 22:01:33,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-03-25 22:01:33,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 67 [2021-03-25 22:01:33,865 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 22:01:33,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:33,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 67 [2021-03-25 22:01:33,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:01:38,487 INFO L129 PetriNetUnfolder]: 2599/5887 cut-off events. [2021-03-25 22:01:38,487 INFO L130 PetriNetUnfolder]: For 378694/378864 co-relation queries the response was YES. [2021-03-25 22:01:38,576 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 22:01:38,611 INFO L132 encePairwiseOnDemand]: 48/67 looper letters, 1909 selfloop transitions, 54 changer transitions 1/1970 dead transitions. [2021-03-25 22:01:38,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 1970 transitions, 63862 flow [2021-03-25 22:01:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:01:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:01:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 248 transitions. [2021-03-25 22:01:38,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2847301951779564 [2021-03-25 22:01:38,612 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 248 transitions. [2021-03-25 22:01:38,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 248 transitions. [2021-03-25 22:01:38,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:01:38,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 248 transitions. [2021-03-25 22:01:38,613 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 22:01:38,613 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 22:01:38,613 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 22:01:38,613 INFO L185 Difference]: Start difference. First operand has 608 places, 1956 transitions, 59352 flow. Second operand 13 states and 248 transitions. [2021-03-25 22:01:38,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 1970 transitions, 63862 flow [2021-03-25 22:01:42,237 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 22:01:42,285 INFO L241 Difference]: Finished difference. Result has 616 places, 1965 transitions, 59763 flow [2021-03-25 22:01:42,287 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 22:01:42,287 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 595 predicate places. [2021-03-25 22:01:42,287 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:01:42,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 616 places, 1965 transitions, 59763 flow [2021-03-25 22:01:42,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 616 places, 1965 transitions, 59763 flow [2021-03-25 22:01:42,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 616 places, 1965 transitions, 59763 flow [2021-03-25 22:01:44,181 INFO L129 PetriNetUnfolder]: 2086/5223 cut-off events. [2021-03-25 22:01:44,181 INFO L130 PetriNetUnfolder]: For 328249/328717 co-relation queries the response was YES. [2021-03-25 22:01:44,265 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 22:01:44,322 INFO L142 LiptonReduction]: Number of co-enabled transitions 2440 [2021-03-25 22:01:45,340 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:01:45,340 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:01:45,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3053 [2021-03-25 22:01:45,340 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 1965 transitions, 59779 flow [2021-03-25 22:01:45,340 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 22:01:45,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:45,340 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:45,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:45,541 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:45,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:45,541 INFO L82 PathProgramCache]: Analyzing trace with hash -917500341, now seen corresponding path program 4 times [2021-03-25 22:01:45,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:45,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897393393] [2021-03-25 22:01:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:45,550 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:01:45,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,555 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:01:45,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:01:45,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,580 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 22:01:45,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897393393] [2021-03-25 22:01:45,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638183644] [2021-03-25 22:01:45,580 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 22:01:45,597 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 22:01:45,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:01:45,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:01:45,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:01:45,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:01:45,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,625 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:01:45,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:45,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,634 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 22:01:45,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:45,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:01:45,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:45,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:45,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:01:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:01:45,640 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 22:01:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:45,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:45,646 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 22:01:45,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:45,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:01:45,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874884070] [2021-03-25 22:01:45,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:01:45,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:45,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:01:45,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:01:45,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 68 [2021-03-25 22:01:45,647 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 22:01:45,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:45,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 68 [2021-03-25 22:01:45,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:01:46,137 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-03-25 22:01:50,530 INFO L129 PetriNetUnfolder]: 2615/5980 cut-off events. [2021-03-25 22:01:50,530 INFO L130 PetriNetUnfolder]: For 383719/383932 co-relation queries the response was YES. [2021-03-25 22:01:50,622 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 22:01:50,660 INFO L132 encePairwiseOnDemand]: 48/68 looper letters, 1470 selfloop transitions, 549 changer transitions 12/2038 dead transitions. [2021-03-25 22:01:50,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 2038 transitions, 66648 flow [2021-03-25 22:01:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 22:01:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 22:01:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 467 transitions. [2021-03-25 22:01:50,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2985933503836317 [2021-03-25 22:01:50,661 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 467 transitions. [2021-03-25 22:01:50,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 467 transitions. [2021-03-25 22:01:50,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:01:50,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 467 transitions. [2021-03-25 22:01:50,662 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 22:01:50,663 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 22:01:50,663 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 22:01:50,663 INFO L185 Difference]: Start difference. First operand has 616 places, 1965 transitions, 59779 flow. Second operand 23 states and 467 transitions. [2021-03-25 22:01:50,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 2038 transitions, 66648 flow [2021-03-25 22:01:54,487 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 22:01:54,534 INFO L241 Difference]: Finished difference. Result has 636 places, 1990 transitions, 62373 flow [2021-03-25 22:01:54,535 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 22:01:54,535 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 615 predicate places. [2021-03-25 22:01:54,535 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:01:54,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 1990 transitions, 62373 flow [2021-03-25 22:01:54,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 1990 transitions, 62373 flow [2021-03-25 22:01:54,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 1990 transitions, 62373 flow [2021-03-25 22:01:56,403 INFO L129 PetriNetUnfolder]: 2101/5249 cut-off events. [2021-03-25 22:01:56,403 INFO L130 PetriNetUnfolder]: For 361630/362138 co-relation queries the response was YES. [2021-03-25 22:01:56,489 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 22:01:56,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 2468 [2021-03-25 22:01:57,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:01:57,805 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:01:57,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3271 [2021-03-25 22:01:57,806 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 1990 transitions, 62384 flow [2021-03-25 22:01:57,806 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 22:01:57,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:01:57,806 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:01:58,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:01:58,007 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:01:58,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:01:58,007 INFO L82 PathProgramCache]: Analyzing trace with hash -945055883, now seen corresponding path program 1 times [2021-03-25 22:01:58,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:01:58,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679917323] [2021-03-25 22:01:58,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:01:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:58,016 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:01:58,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,026 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:01:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,060 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 22:01:58,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679917323] [2021-03-25 22:01:58,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121066926] [2021-03-25 22:01:58,060 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 22:01:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:01:58,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 22:01:58,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:01:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:01:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:01:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:01:58,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:58,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:01:58,116 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:01:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:01:58,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:58,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:01:58,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:01:58,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:01:58,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:01:58,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:01:58,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:01:58,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:01:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:01:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:01:58,150 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 22:01:58,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:01:58,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:01:58,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235556274] [2021-03-25 22:01:58,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:01:58,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:01:58,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:01:58,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:01:58,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 22:01:58,151 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 22:01:58,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:01:58,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 22:01:58,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:02:03,029 INFO L129 PetriNetUnfolder]: 2632/5994 cut-off events. [2021-03-25 22:02:03,029 INFO L130 PetriNetUnfolder]: For 418831/419066 co-relation queries the response was YES. [2021-03-25 22:02:03,120 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 22:02:03,157 INFO L132 encePairwiseOnDemand]: 47/69 looper letters, 1684 selfloop transitions, 367 changer transitions 0/2058 dead transitions. [2021-03-25 22:02:03,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 2058 transitions, 69094 flow [2021-03-25 22:02:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:02:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:02:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 347 transitions. [2021-03-25 22:02:03,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31431159420289856 [2021-03-25 22:02:03,158 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 347 transitions. [2021-03-25 22:02:03,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 347 transitions. [2021-03-25 22:02:03,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:02:03,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 347 transitions. [2021-03-25 22:02:03,158 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 22:02:03,159 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 22:02:03,159 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 22:02:03,159 INFO L185 Difference]: Start difference. First operand has 636 places, 1990 transitions, 62384 flow. Second operand 16 states and 347 transitions. [2021-03-25 22:02:03,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 2058 transitions, 69094 flow [2021-03-25 22:02:07,376 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 22:02:07,434 INFO L241 Difference]: Finished difference. Result has 637 places, 2017 transitions, 64157 flow [2021-03-25 22:02:07,436 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 22:02:07,436 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 616 predicate places. [2021-03-25 22:02:07,436 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:02:07,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 2017 transitions, 64157 flow [2021-03-25 22:02:07,437 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 2017 transitions, 64157 flow [2021-03-25 22:02:07,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 2017 transitions, 64157 flow [2021-03-25 22:02:09,405 INFO L129 PetriNetUnfolder]: 2130/5389 cut-off events. [2021-03-25 22:02:09,406 INFO L130 PetriNetUnfolder]: For 371931/372424 co-relation queries the response was YES. [2021-03-25 22:02:09,494 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 22:02:09,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 2516 [2021-03-25 22:02:09,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:02:09,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:02:09,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2552 [2021-03-25 22:02:09,988 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 2017 transitions, 64157 flow [2021-03-25 22:02:09,989 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 22:02:09,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:02:09,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:02:10,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-25 22:02:10,189 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:02:10,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:02:10,190 INFO L82 PathProgramCache]: Analyzing trace with hash 213664518, now seen corresponding path program 1 times [2021-03-25 22:02:10,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:02:10,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501398971] [2021-03-25 22:02:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:02:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:10,208 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:02:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,212 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:02:10,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,234 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 22:02:10,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501398971] [2021-03-25 22:02:10,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155957639] [2021-03-25 22:02:10,234 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 22:02:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:10,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 22:02:10,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:02:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:02:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:02:10,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:10,289 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:02:10,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:02:10,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:10,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:10,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:02:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:10,311 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 22:02:10,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:02:10,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 22:02:10,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47646967] [2021-03-25 22:02:10,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:02:10,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:02:10,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:02:10,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:02:10,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 22:02:10,312 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 22:02:10,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:02:10,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 22:02:10,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:02:14,679 INFO L129 PetriNetUnfolder]: 2637/6019 cut-off events. [2021-03-25 22:02:14,680 INFO L130 PetriNetUnfolder]: For 427078/427309 co-relation queries the response was YES. [2021-03-25 22:02:14,779 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 22:02:14,821 INFO L132 encePairwiseOnDemand]: 48/69 looper letters, 1633 selfloop transitions, 432 changer transitions 1/2073 dead transitions. [2021-03-25 22:02:14,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 2073 transitions, 70197 flow [2021-03-25 22:02:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:02:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:02:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 351 transitions. [2021-03-25 22:02:14,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3179347826086957 [2021-03-25 22:02:14,822 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 351 transitions. [2021-03-25 22:02:14,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 351 transitions. [2021-03-25 22:02:14,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:02:14,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 351 transitions. [2021-03-25 22:02:14,823 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 22:02:14,823 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 22:02:14,823 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 22:02:14,824 INFO L185 Difference]: Start difference. First operand has 637 places, 2017 transitions, 64157 flow. Second operand 16 states and 351 transitions. [2021-03-25 22:02:14,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 2073 transitions, 70197 flow [2021-03-25 22:02:19,007 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 22:02:19,058 INFO L241 Difference]: Finished difference. Result has 643 places, 2016 transitions, 64712 flow [2021-03-25 22:02:19,059 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 22:02:19,059 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 622 predicate places. [2021-03-25 22:02:19,060 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:02:19,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 2016 transitions, 64712 flow [2021-03-25 22:02:19,060 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 2016 transitions, 64712 flow [2021-03-25 22:02:19,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 2016 transitions, 64712 flow [2021-03-25 22:02:20,941 INFO L129 PetriNetUnfolder]: 2124/5404 cut-off events. [2021-03-25 22:02:20,941 INFO L130 PetriNetUnfolder]: For 382395/382876 co-relation queries the response was YES. [2021-03-25 22:02:21,024 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 22:02:21,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 2528 [2021-03-25 22:02:21,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:02:21,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:02:21,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2484 [2021-03-25 22:02:21,544 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 2016 transitions, 64712 flow [2021-03-25 22:02:21,545 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 22:02:21,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:02:21,545 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:02:21,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-03-25 22:02:21,745 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:02:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:02:21,745 INFO L82 PathProgramCache]: Analyzing trace with hash -62193687, now seen corresponding path program 5 times [2021-03-25 22:02:21,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:02:21,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309037159] [2021-03-25 22:02:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:02:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:21,751 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:02:21,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:02:21,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,779 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 22:02:21,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309037159] [2021-03-25 22:02:21,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277785485] [2021-03-25 22:02:21,779 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) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:02:21,797 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 22:02:21,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:02:21,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:02:21,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:02:21,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:02:21,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:02:21,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:02:21,823 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:02:21,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:02:21,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:21,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:02:21,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:02:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:21,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,834 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-25 22:02:21,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:21,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:02:21,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:21,837 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 22:02:21,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:02:21,845 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 22:02:21,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:02:21,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:02:21,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721229881] [2021-03-25 22:02:21,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:02:21,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:02:21,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:02:21,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:02:21,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-25 22:02:21,846 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 22:02:21,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:02:21,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-25 22:02:21,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:02:26,735 INFO L129 PetriNetUnfolder]: 2716/6352 cut-off events. [2021-03-25 22:02:26,735 INFO L130 PetriNetUnfolder]: For 471244/471431 co-relation queries the response was YES. [2021-03-25 22:02:26,828 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 22:02:26,864 INFO L132 encePairwiseOnDemand]: 47/69 looper letters, 1402 selfloop transitions, 763 changer transitions 15/2187 dead transitions. [2021-03-25 22:02:26,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 2187 transitions, 75076 flow [2021-03-25 22:02:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 22:02:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 22:02:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 474 transitions. [2021-03-25 22:02:26,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29867674858223064 [2021-03-25 22:02:26,865 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 474 transitions. [2021-03-25 22:02:26,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 474 transitions. [2021-03-25 22:02:26,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:02:26,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 474 transitions. [2021-03-25 22:02:26,866 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 22:02:26,867 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 22:02:26,867 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 22:02:26,867 INFO L185 Difference]: Start difference. First operand has 643 places, 2016 transitions, 64712 flow. Second operand 23 states and 474 transitions. [2021-03-25 22:02:26,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 2187 transitions, 75076 flow [2021-03-25 22:02:31,408 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 22:02:31,454 INFO L241 Difference]: Finished difference. Result has 658 places, 2111 transitions, 70271 flow [2021-03-25 22:02:31,456 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 22:02:31,456 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 637 predicate places. [2021-03-25 22:02:31,456 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:02:31,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 2111 transitions, 70271 flow [2021-03-25 22:02:31,456 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 2111 transitions, 70271 flow [2021-03-25 22:02:31,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 2111 transitions, 70271 flow [2021-03-25 22:02:33,830 INFO L129 PetriNetUnfolder]: 2214/5712 cut-off events. [2021-03-25 22:02:33,830 INFO L130 PetriNetUnfolder]: For 445046/445513 co-relation queries the response was YES. [2021-03-25 22:02:33,916 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 22:02:33,981 INFO L142 LiptonReduction]: Number of co-enabled transitions 2580 [2021-03-25 22:02:34,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:02:34,449 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:02:34,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2993 [2021-03-25 22:02:34,449 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 2111 transitions, 70271 flow [2021-03-25 22:02:34,450 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 22:02:34,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:02:34,450 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:02:34,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:02:34,650 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:02:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:02:34,650 INFO L82 PathProgramCache]: Analyzing trace with hash 442616399, now seen corresponding path program 1 times [2021-03-25 22:02:34,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:02:34,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27180417] [2021-03-25 22:02:34,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:02:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:34,688 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-25 22:02:34,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 22:02:34,727 INFO L142 QuantifierPusher]: treesize reduction 51, result has 63.3 percent of original size [2021-03-25 22:02:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 22:02:34,792 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.3 percent of original size [2021-03-25 22:02:34,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 22:02:34,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:02:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:02:34,841 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-25 22:02:34,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:02:34,850 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 22:02:34,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27180417] [2021-03-25 22:02:34,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727156681] [2021-03-25 22:02:34,851 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 22:02:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:34,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:02:34,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:02:34,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:34,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:34,914 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-25 22:02:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:02:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:34,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,972 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-03-25 22:02:34,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-03-25 22:02:34,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:34,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:34,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:35,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:35,006 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-03-25 22:02:35,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-03-25 22:02:35,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 22:02:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 22:02:35,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:02:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:02:35,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:02:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 22:02:35,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:02:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:35,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:02:35,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:02:35,024 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 22:02:35,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:35,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:35,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:02:35,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,031 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-25 22:02:35,032 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 22:02:35,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:10 [2021-03-25 22:02:35,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-03-25 22:02:35,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:35,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:35,068 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 22:02:35,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:02:35,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 22:02:35,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127984738] [2021-03-25 22:02:35,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 22:02:35,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:02:35,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 22:02:35,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-03-25 22:02:35,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-25 22:02:35,070 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 22:02:35,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:02:35,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-25 22:02:35,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:02:40,765 INFO L129 PetriNetUnfolder]: 2735/6366 cut-off events. [2021-03-25 22:02:40,765 INFO L130 PetriNetUnfolder]: For 509593/509779 co-relation queries the response was YES. [2021-03-25 22:02:40,865 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 22:02:40,905 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 2062 selfloop transitions, 76 changer transitions 1/2145 dead transitions. [2021-03-25 22:02:40,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 2145 transitions, 75590 flow [2021-03-25 22:02:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:02:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:02:40,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 224 transitions. [2021-03-25 22:02:40,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2951251646903821 [2021-03-25 22:02:40,906 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 224 transitions. [2021-03-25 22:02:40,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 224 transitions. [2021-03-25 22:02:40,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:02:40,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 224 transitions. [2021-03-25 22:02:40,907 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 22:02:40,907 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 22:02:40,907 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 22:02:40,907 INFO L185 Difference]: Start difference. First operand has 658 places, 2111 transitions, 70271 flow. Second operand 11 states and 224 transitions. [2021-03-25 22:02:40,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 2145 transitions, 75590 flow [2021-03-25 22:02:46,096 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 22:02:46,150 INFO L241 Difference]: Finished difference. Result has 658 places, 2133 transitions, 69649 flow [2021-03-25 22:02:46,151 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 22:02:46,152 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 637 predicate places. [2021-03-25 22:02:46,152 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:02:46,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 2133 transitions, 69649 flow [2021-03-25 22:02:46,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 2133 transitions, 69649 flow [2021-03-25 22:02:46,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 2133 transitions, 69649 flow [2021-03-25 22:02:48,463 INFO L129 PetriNetUnfolder]: 2222/5753 cut-off events. [2021-03-25 22:02:48,463 INFO L130 PetriNetUnfolder]: For 437869/438304 co-relation queries the response was YES. [2021-03-25 22:02:48,559 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 22:02:48,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 2606 [2021-03-25 22:02:50,015 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:02:50,015 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:02:50,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3863 [2021-03-25 22:02:50,016 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 2133 transitions, 69693 flow [2021-03-25 22:02:50,016 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 22:02:50,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:02:50,016 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:02:50,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:02:50,216 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:02:50,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:02:50,217 INFO L82 PathProgramCache]: Analyzing trace with hash -257397979, now seen corresponding path program 38 times [2021-03-25 22:02:50,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:02:50,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055337486] [2021-03-25 22:02:50,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:02:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:02:50,231 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.8 percent of original size [2021-03-25 22:02:50,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 22:02:50,267 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.7 percent of original size [2021-03-25 22:02:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:02:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,292 INFO L142 QuantifierPusher]: treesize reduction 36, result has 45.5 percent of original size [2021-03-25 22:02:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:02:50,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:02:50,327 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 22:02:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:02:50,339 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 22:02:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:02:50,350 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 22:02:50,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055337486] [2021-03-25 22:02:50,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869299724] [2021-03-25 22:02:50,350 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) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:02:50,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:02:50,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:02:50,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:02:50,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:02:50,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,397 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 22:02:50,397 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 22:02:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:02:50,418 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-25 22:02:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:02:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,420 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 33 [2021-03-25 22:02:50,420 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 22:02:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:02:50,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,440 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 37 [2021-03-25 22:02:50,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:02:50,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:02:50,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:02:50,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:02:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,462 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-25 22:02:50,463 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-03-25 22:02:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:02:50,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:02:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:02:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:02:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:02:50,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:02:50,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:02:50,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:02:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:02:50,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:02:50,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:02:50,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:02:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:02:50,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:02:50,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-25 22:02:50,500 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 22:02:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:02:50,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 22:02:50,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,508 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 22:02:50,508 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-03-25 22:02:50,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:02:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:02:50,524 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 22:02:50,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:02:50,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-25 22:02:50,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590348966] [2021-03-25 22:02:50,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 22:02:50,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:02:50,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 22:02:50,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-03-25 22:02:50,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 70 [2021-03-25 22:02:50,525 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 22:02:50,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:02:50,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 70 [2021-03-25 22:02:50,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:02:56,943 INFO L129 PetriNetUnfolder]: 2749/6421 cut-off events. [2021-03-25 22:02:56,944 INFO L130 PetriNetUnfolder]: For 503921/504093 co-relation queries the response was YES. [2021-03-25 22:02:57,050 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 22:02:57,090 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2037 selfloop transitions, 116 changer transitions 16/2175 dead transitions. [2021-03-25 22:02:57,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 2175 transitions, 75600 flow [2021-03-25 22:02:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:02:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:02:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 269 transitions. [2021-03-25 22:02:57,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27448979591836736 [2021-03-25 22:02:57,092 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 269 transitions. [2021-03-25 22:02:57,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 269 transitions. [2021-03-25 22:02:57,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:02:57,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 269 transitions. [2021-03-25 22:02:57,093 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 22:02:57,093 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 22:02:57,094 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 22:02:57,094 INFO L185 Difference]: Start difference. First operand has 658 places, 2133 transitions, 69693 flow. Second operand 14 states and 269 transitions. [2021-03-25 22:02:57,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 2175 transitions, 75600 flow [2021-03-25 22:03:02,194 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 22:03:02,248 INFO L241 Difference]: Finished difference. Result has 670 places, 2151 transitions, 70547 flow [2021-03-25 22:03:02,250 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 22:03:02,250 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 649 predicate places. [2021-03-25 22:03:02,250 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:03:02,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 2151 transitions, 70547 flow [2021-03-25 22:03:02,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 2151 transitions, 70547 flow [2021-03-25 22:03:02,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 2151 transitions, 70547 flow [2021-03-25 22:03:04,573 INFO L129 PetriNetUnfolder]: 2235/5775 cut-off events. [2021-03-25 22:03:04,574 INFO L130 PetriNetUnfolder]: For 453060/453501 co-relation queries the response was YES. [2021-03-25 22:03:04,662 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 22:03:04,727 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-25 22:03:05,201 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:03:05,201 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:03:05,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2951 [2021-03-25 22:03:05,202 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 2151 transitions, 70547 flow [2021-03-25 22:03:05,202 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 22:03:05,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:03:05,202 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:03:05,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:03:05,402 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:03:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:03:05,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1090523612, now seen corresponding path program 3 times [2021-03-25 22:03:05,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:03:05,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956507351] [2021-03-25 22:03:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:03:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:03:05,410 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:03:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:03:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,439 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 22:03:05,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956507351] [2021-03-25 22:03:05,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633211094] [2021-03-25 22:03:05,440 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 22:03:05,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 22:03:05,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:03:05,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:03:05,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:03:05,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:05,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:03:05,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:05,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,496 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 22:03:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:05,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:05,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:05,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:05,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:05,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:05,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:05,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:05,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:05,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:05,508 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 22:03:05,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:05,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:05,513 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 22:03:05,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:03:05,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:03:05,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299527307] [2021-03-25 22:03:05,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:03:05,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:03:05,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:03:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:03:05,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 22:03:05,515 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 22:03:05,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:03:05,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 22:03:05,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:03:11,164 INFO L129 PetriNetUnfolder]: 2950/7058 cut-off events. [2021-03-25 22:03:11,164 INFO L130 PetriNetUnfolder]: For 598093/598264 co-relation queries the response was YES. [2021-03-25 22:03:11,286 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 22:03:11,330 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1341 selfloop transitions, 1206 changer transitions 14/2568 dead transitions. [2021-03-25 22:03:11,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 2568 transitions, 89007 flow [2021-03-25 22:03:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:03:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:03:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 418 transitions. [2021-03-25 22:03:11,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3142857142857143 [2021-03-25 22:03:11,331 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 418 transitions. [2021-03-25 22:03:11,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 418 transitions. [2021-03-25 22:03:11,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:03:11,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 418 transitions. [2021-03-25 22:03:11,332 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 22:03:11,333 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 22:03:11,333 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 22:03:11,333 INFO L185 Difference]: Start difference. First operand has 670 places, 2151 transitions, 70547 flow. Second operand 19 states and 418 transitions. [2021-03-25 22:03:11,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 2568 transitions, 89007 flow [2021-03-25 22:03:17,031 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 22:03:17,086 INFO L241 Difference]: Finished difference. Result has 690 places, 2390 transitions, 82723 flow [2021-03-25 22:03:17,088 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 22:03:17,089 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 669 predicate places. [2021-03-25 22:03:17,089 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:03:17,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 2390 transitions, 82723 flow [2021-03-25 22:03:17,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 2390 transitions, 82723 flow [2021-03-25 22:03:17,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 2390 transitions, 82723 flow [2021-03-25 22:03:19,946 INFO L129 PetriNetUnfolder]: 2432/6431 cut-off events. [2021-03-25 22:03:19,947 INFO L130 PetriNetUnfolder]: For 544007/544466 co-relation queries the response was YES. [2021-03-25 22:03:20,054 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 22:03:20,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 2862 [2021-03-25 22:03:20,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:03:20,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:03:20,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3726 [2021-03-25 22:03:20,815 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 2390 transitions, 82723 flow [2021-03-25 22:03:20,815 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 22:03:20,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:03:20,816 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:03:21,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2021-03-25 22:03:21,016 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:03:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:03:21,016 INFO L82 PathProgramCache]: Analyzing trace with hash -721451386, now seen corresponding path program 4 times [2021-03-25 22:03:21,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:03:21,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858858908] [2021-03-25 22:03:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:03:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:03:21,022 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:03:21,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:03:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,054 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 22:03:21,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858858908] [2021-03-25 22:03:21,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779012902] [2021-03-25 22:03:21,054 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 22:03:21,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 22:03:21,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:03:21,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:03:21,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:03:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:21,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:21,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:21,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:21,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:21,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:03:21,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:21,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:21,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:21,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:03:21,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:21,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:21,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:21,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:21,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:03:21,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:21,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:21,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:21,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:21,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:21,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:21,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:03:21,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:21,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:21,153 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 22:03:21,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:03:21,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:03:21,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403522331] [2021-03-25 22:03:21,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:03:21,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:03:21,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:03:21,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:03:21,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 22:03:21,155 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 22:03:21,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:03:21,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 22:03:21,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:03:29,940 INFO L129 PetriNetUnfolder]: 4152/9326 cut-off events. [2021-03-25 22:03:29,940 INFO L130 PetriNetUnfolder]: For 867403/867801 co-relation queries the response was YES. [2021-03-25 22:03:30,096 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 22:03:30,154 INFO L132 encePairwiseOnDemand]: 47/70 looper letters, 1742 selfloop transitions, 1583 changer transitions 1/3333 dead transitions. [2021-03-25 22:03:30,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 711 places, 3333 transitions, 117680 flow [2021-03-25 22:03:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 22:03:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 22:03:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 492 transitions. [2021-03-25 22:03:30,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3194805194805195 [2021-03-25 22:03:30,156 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 492 transitions. [2021-03-25 22:03:30,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 492 transitions. [2021-03-25 22:03:30,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:03:30,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 492 transitions. [2021-03-25 22:03:30,156 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 22:03:30,157 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 22:03:30,157 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 22:03:30,157 INFO L185 Difference]: Start difference. First operand has 690 places, 2390 transitions, 82723 flow. Second operand 22 states and 492 transitions. [2021-03-25 22:03:30,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 711 places, 3333 transitions, 117680 flow [2021-03-25 22:03:40,978 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 22:03:41,043 INFO L241 Difference]: Finished difference. Result has 723 places, 3120 transitions, 104452 flow [2021-03-25 22:03:41,045 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 22:03:41,045 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 702 predicate places. [2021-03-25 22:03:41,045 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:03:41,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 723 places, 3120 transitions, 104452 flow [2021-03-25 22:03:41,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 723 places, 3120 transitions, 104452 flow [2021-03-25 22:03:41,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 3120 transitions, 104452 flow [2021-03-25 22:03:45,070 INFO L129 PetriNetUnfolder]: 3344/8248 cut-off events. [2021-03-25 22:03:45,071 INFO L130 PetriNetUnfolder]: For 662187/662788 co-relation queries the response was YES. [2021-03-25 22:03:45,229 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 22:03:45,337 INFO L142 LiptonReduction]: Number of co-enabled transitions 3060 [2021-03-25 22:03:46,386 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:03:46,386 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:03:46,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5341 [2021-03-25 22:03:46,387 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 3120 transitions, 104452 flow [2021-03-25 22:03:46,387 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 22:03:46,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:03:46,387 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:03:46,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:03:46,587 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:03:46,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:03:46,588 INFO L82 PathProgramCache]: Analyzing trace with hash 981588787, now seen corresponding path program 1 times [2021-03-25 22:03:46,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:03:46,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266347144] [2021-03-25 22:03:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:03:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:03:46,593 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:03:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:03:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,602 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:03:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,625 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 22:03:46,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266347144] [2021-03-25 22:03:46,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281025543] [2021-03-25 22:03:46,625 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 22:03:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:03:46,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:03:46,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:03:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:03:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:46,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:03:46,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:03:46,849 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:03:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:03:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:46,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:46,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:46,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:03:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:03:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:03:46,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:03:46,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:03:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:03:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:03:46,875 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 22:03:46,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:03:46,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-25 22:03:46,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027720213] [2021-03-25 22:03:46,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:03:46,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:03:46,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:03:46,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:03:46,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 22:03:46,876 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 22:03:46,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:03:46,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 22:03:46,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:03:58,268 INFO L129 PetriNetUnfolder]: 4204/9497 cut-off events. [2021-03-25 22:03:58,269 INFO L130 PetriNetUnfolder]: For 764986/765213 co-relation queries the response was YES. [2021-03-25 22:03:58,442 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 22:03:58,501 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 2901 selfloop transitions, 304 changer transitions 0/3212 dead transitions. [2021-03-25 22:03:58,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 3212 transitions, 114721 flow [2021-03-25 22:03:58,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:03:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:03:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 249 transitions. [2021-03-25 22:03:58,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3233766233766234 [2021-03-25 22:03:58,502 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 249 transitions. [2021-03-25 22:03:58,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 249 transitions. [2021-03-25 22:03:58,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:03:58,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 249 transitions. [2021-03-25 22:03:58,502 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 22:03:58,503 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 22:03:58,503 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 22:03:58,503 INFO L185 Difference]: Start difference. First operand has 723 places, 3120 transitions, 104452 flow. Second operand 11 states and 249 transitions. [2021-03-25 22:03:58,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 3212 transitions, 114721 flow [2021-03-25 22:04:09,575 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 22:04:09,644 INFO L241 Difference]: Finished difference. Result has 734 places, 3166 transitions, 104472 flow [2021-03-25 22:04:09,645 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 22:04:09,645 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 713 predicate places. [2021-03-25 22:04:09,645 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:04:09,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 734 places, 3166 transitions, 104472 flow [2021-03-25 22:04:09,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 734 places, 3166 transitions, 104472 flow [2021-03-25 22:04:09,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 3166 transitions, 104472 flow [2021-03-25 22:04:14,237 INFO L129 PetriNetUnfolder]: 3408/8411 cut-off events. [2021-03-25 22:04:14,237 INFO L130 PetriNetUnfolder]: For 649379/649897 co-relation queries the response was YES. [2021-03-25 22:04:14,393 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 22:04:14,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 3156 [2021-03-25 22:04:15,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:04:15,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:04:15,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5939 [2021-03-25 22:04:15,584 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 3166 transitions, 104472 flow [2021-03-25 22:04:15,584 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 22:04:15,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:04:15,584 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:04:15,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:04:15,784 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:04:15,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:04:15,785 INFO L82 PathProgramCache]: Analyzing trace with hash -767411414, now seen corresponding path program 5 times [2021-03-25 22:04:15,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:04:15,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101428629] [2021-03-25 22:04:15,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:04:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:04:15,789 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:04:15,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:04:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,818 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 22:04:15,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101428629] [2021-03-25 22:04:15,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409970563] [2021-03-25 22:04:15,818 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 22:04:15,842 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 22:04:15,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:04:15,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 22:04:15,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:04:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:04:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:04:15,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:04:15,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,870 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-25 22:04:15,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:04:15,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:04:15,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:04:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:04:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:04:15,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:04:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:04:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,879 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 22:04:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:04:15,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:04:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:15,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:04:15,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:04:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:15,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:04:15,885 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 22:04:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:04:15,892 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 22:04:15,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:04:15,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-25 22:04:15,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747744042] [2021-03-25 22:04:15,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:04:15,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:04:15,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:04:15,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:04:15,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 70 [2021-03-25 22:04:15,893 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 22:04:15,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:04:15,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 70 [2021-03-25 22:04:15,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:04:28,139 INFO L129 PetriNetUnfolder]: 4212/9567 cut-off events. [2021-03-25 22:04:28,140 INFO L130 PetriNetUnfolder]: For 725148/725284 co-relation queries the response was YES. [2021-03-25 22:04:28,308 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 22:04:28,367 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 2392 selfloop transitions, 847 changer transitions 13/3259 dead transitions. [2021-03-25 22:04:28,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 755 places, 3259 transitions, 114586 flow [2021-03-25 22:04:28,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 22:04:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 22:04:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 453 transitions. [2021-03-25 22:04:28,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29415584415584417 [2021-03-25 22:04:28,368 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 453 transitions. [2021-03-25 22:04:28,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 453 transitions. [2021-03-25 22:04:28,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:04:28,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 453 transitions. [2021-03-25 22:04:28,369 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 22:04:28,370 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 22:04:28,370 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 22:04:28,370 INFO L185 Difference]: Start difference. First operand has 734 places, 3166 transitions, 104472 flow. Second operand 22 states and 453 transitions. [2021-03-25 22:04:28,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 755 places, 3259 transitions, 114586 flow [2021-03-25 22:04:38,170 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 22:04:38,311 INFO L241 Difference]: Finished difference. Result has 756 places, 3194 transitions, 108299 flow [2021-03-25 22:04:38,312 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 22:04:38,313 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 735 predicate places. [2021-03-25 22:04:38,313 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:04:38,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 756 places, 3194 transitions, 108299 flow [2021-03-25 22:04:38,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 756 places, 3194 transitions, 108299 flow [2021-03-25 22:04:38,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 756 places, 3194 transitions, 108299 flow [2021-03-25 22:04:43,274 INFO L129 PetriNetUnfolder]: 3433/8572 cut-off events. [2021-03-25 22:04:43,274 INFO L130 PetriNetUnfolder]: For 705875/706352 co-relation queries the response was YES. [2021-03-25 22:04:43,443 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 22:04:43,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 3172 [2021-03-25 22:04:44,850 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:04:44,850 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:04:44,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6537 [2021-03-25 22:04:44,851 INFO L480 AbstractCegarLoop]: Abstraction has has 756 places, 3194 transitions, 108299 flow [2021-03-25 22:04:44,851 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 22:04:44,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:04:44,851 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:04:45,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:04:45,052 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:04:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:04:45,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1645540490, now seen corresponding path program 10 times [2021-03-25 22:04:45,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:04:45,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738032343] [2021-03-25 22:04:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:04:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:04:45,065 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 22:04:45,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:04:45,077 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 22:04:45,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 22:04:45,131 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 22:04:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 22:04:45,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 22:04:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:04:45,192 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-03-25 22:04:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:04:45,205 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 22:04:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:04:45,217 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:04:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,228 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 22:04:45,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738032343] [2021-03-25 22:04:45,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569749087] [2021-03-25 22:04:45,228 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 22:04:45,249 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 22:04:45,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:04:45,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-25 22:04:45,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:04:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:04:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:04:45,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:04:45,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:04:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:04:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:04:45,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:04:45,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:04:45,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:04:45,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,281 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size 41 [2021-03-25 22:04:45,281 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-03-25 22:04:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 22:04:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 22:04:45,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 22:04:45,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,301 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-25 22:04:45,301 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-25 22:04:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:04:45,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:04:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:04:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:04:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:04:45,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:04:45,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:04:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:04:45,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:04:45,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:04:45,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:04:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:04:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:04:45,341 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,341 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 22:04:45,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,342 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 22:04:45,342 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 22:04:45,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:04:45,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 22:04:45,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,351 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:04:45,352 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,353 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 22:04:45,353 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 22:04:45,353 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 22:04:45,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:21 [2021-03-25 22:04:45,354 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 22:04:45,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:04:45,372 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 22:04:45,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:04:45,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:04:45,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:04:45,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 22:04:45,375 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:04:45,376 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 22:04:45,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:45,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:45,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:04:45,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:04:45,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:04:45,393 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 22:04:45,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:04:45,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-25 22:04:45,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790175333] [2021-03-25 22:04:45,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:04:45,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:04:45,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:04:45,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:04:45,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 70 [2021-03-25 22:04:45,394 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 22:04:45,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:04:45,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 70 [2021-03-25 22:04:45,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:04:58,052 INFO L129 PetriNetUnfolder]: 4248/9593 cut-off events. [2021-03-25 22:04:58,052 INFO L130 PetriNetUnfolder]: For 780943/781151 co-relation queries the response was YES. [2021-03-25 22:04:58,229 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 22:04:58,288 INFO L132 encePairwiseOnDemand]: 46/70 looper letters, 3091 selfloop transitions, 151 changer transitions 11/3259 dead transitions. [2021-03-25 22:04:58,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 767 places, 3259 transitions, 116909 flow [2021-03-25 22:04:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:04:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:04:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 248 transitions. [2021-03-25 22:04:58,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29523809523809524 [2021-03-25 22:04:58,290 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 248 transitions. [2021-03-25 22:04:58,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 248 transitions. [2021-03-25 22:04:58,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:04:58,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 248 transitions. [2021-03-25 22:04:58,290 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 22:04:58,291 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 22:04:58,291 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 22:04:58,291 INFO L185 Difference]: Start difference. First operand has 756 places, 3194 transitions, 108299 flow. Second operand 12 states and 248 transitions. [2021-03-25 22:04:58,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 767 places, 3259 transitions, 116909 flow [2021-03-25 22:05:09,090 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 22:05:09,162 INFO L241 Difference]: Finished difference. Result has 758 places, 3231 transitions, 109480 flow [2021-03-25 22:05:09,164 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 22:05:09,164 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 737 predicate places. [2021-03-25 22:05:09,164 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:05:09,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 3231 transitions, 109480 flow [2021-03-25 22:05:09,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 3231 transitions, 109480 flow [2021-03-25 22:05:09,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 757 places, 3231 transitions, 109480 flow [2021-03-25 22:05:14,728 INFO L129 PetriNetUnfolder]: 3460/8613 cut-off events. [2021-03-25 22:05:14,728 INFO L130 PetriNetUnfolder]: For 720652/721121 co-relation queries the response was YES. [2021-03-25 22:05:14,894 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 22:05:15,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 3204 [2021-03-25 22:05:17,825 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:05:17,825 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 22:05:17,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8661 [2021-03-25 22:05:17,826 INFO L480 AbstractCegarLoop]: Abstraction has has 757 places, 3231 transitions, 109603 flow [2021-03-25 22:05:17,826 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 22:05:17,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:05:17,826 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:05:18,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-03-25 22:05:18,026 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:05:18,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:05:18,027 INFO L82 PathProgramCache]: Analyzing trace with hash 161912532, now seen corresponding path program 6 times [2021-03-25 22:05:18,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:05:18,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325499948] [2021-03-25 22:05:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:05:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:05:18,043 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:05:18,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:05:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,072 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 22:05:18,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325499948] [2021-03-25 22:05:18,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598946638] [2021-03-25 22:05:18,072 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 22:05:18,112 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 22:05:18,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:05:18,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:05:18,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:05:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:05:18,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:05:18,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:05:18,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:05:18,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:05:18,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:05:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:05:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:05:18,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:05:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:18,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:05:18,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:18,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:05:18,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:18,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:05:18,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:05:18,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:05:18,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:18,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:05:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:18,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:18,187 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 22:05:18,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:05:18,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 22:05:18,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415385392] [2021-03-25 22:05:18,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:05:18,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:05:18,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:05:18,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:05:18,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 73 [2021-03-25 22:05:18,189 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 22:05:18,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:05:18,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 73 [2021-03-25 22:05:18,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:05:37,154 INFO L129 PetriNetUnfolder]: 4673/10266 cut-off events. [2021-03-25 22:05:37,154 INFO L130 PetriNetUnfolder]: For 875340/875476 co-relation queries the response was YES. [2021-03-25 22:05:37,361 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 22:05:37,431 INFO L132 encePairwiseOnDemand]: 49/73 looper letters, 1645 selfloop transitions, 1935 changer transitions 1/3589 dead transitions. [2021-03-25 22:05:37,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 3589 transitions, 127303 flow [2021-03-25 22:05:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:05:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:05:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 326 transitions. [2021-03-25 22:05:37,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31898238747553814 [2021-03-25 22:05:37,432 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 326 transitions. [2021-03-25 22:05:37,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 326 transitions. [2021-03-25 22:05:37,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:05:37,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 326 transitions. [2021-03-25 22:05:37,433 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 22:05:37,433 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 22:05:37,433 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 22:05:37,433 INFO L185 Difference]: Start difference. First operand has 757 places, 3231 transitions, 109603 flow. Second operand 14 states and 326 transitions. [2021-03-25 22:05:37,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 3589 transitions, 127303 flow [2021-03-25 22:05:49,064 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 22:05:49,142 INFO L241 Difference]: Finished difference. Result has 770 places, 3470 transitions, 121492 flow [2021-03-25 22:05:49,144 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 22:05:49,144 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 749 predicate places. [2021-03-25 22:05:49,144 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:05:49,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 3470 transitions, 121492 flow [2021-03-25 22:05:49,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 3470 transitions, 121492 flow [2021-03-25 22:05:49,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 3470 transitions, 121492 flow [2021-03-25 22:05:53,908 INFO L129 PetriNetUnfolder]: 3753/9111 cut-off events. [2021-03-25 22:05:53,908 INFO L130 PetriNetUnfolder]: For 791984/792708 co-relation queries the response was YES. [2021-03-25 22:05:54,090 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 22:05:54,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 3214 [2021-03-25 22:05:55,517 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:05:55,518 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:05:55,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6374 [2021-03-25 22:05:55,518 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 3470 transitions, 121492 flow [2021-03-25 22:05:55,518 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 22:05:55,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:05:55,518 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:05:55,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:05:55,719 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:05:55,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:05:55,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1992417680, now seen corresponding path program 11 times [2021-03-25 22:05:55,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:05:55,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064941534] [2021-03-25 22:05:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:05:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:05:55,729 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 22:05:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:05:55,742 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 22:05:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 22:05:55,982 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2021-03-25 22:05:55,983 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 22:05:55,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 22:05:56,042 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 22:05:56,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:05:56,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 22:05:56,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:05:56,079 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 22:05:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:05:56,095 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:05:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,108 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 22:05:56,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064941534] [2021-03-25 22:05:56,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099821064] [2021-03-25 22:05:56,108 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) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:05:56,139 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:05:56,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:05:56,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:05:56,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:05:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:05:56,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,168 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 22:05:56,169 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 22:05:56,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:05:56,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:05:56,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:05:56,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 22:05:56,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 22:05:56,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 22:05:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 22:05:56,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,209 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 22:05:56,209 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size [2021-03-25 22:05:56,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:05:56,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,232 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-25 22:05:56,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 22:05:56,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:05:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:05:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:05:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:05:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:05:56,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,243 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 22:05:56,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,243 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 22:05:56,244 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 22:05:56,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:05:56,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 22:05:56,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:05:56,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 22:05:56,251 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:17 [2021-03-25 22:05:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:05:56,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:05:56,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 22:05:56,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:05:56,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:56,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:05:56,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:05:56,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,270 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:05:56,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:05:56,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:56,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:05:56,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:56,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:05:56,288 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 22:05:56,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:05:56,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 22:05:56,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213602233] [2021-03-25 22:05:56,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 22:05:56,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:05:56,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 22:05:56,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-25 22:05:56,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 73 [2021-03-25 22:05:56,289 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 22:05:56,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:05:56,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 73 [2021-03-25 22:05:56,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:11,374 INFO L129 PetriNetUnfolder]: 4675/10359 cut-off events. [2021-03-25 22:06:11,374 INFO L130 PetriNetUnfolder]: For 873534/873734 co-relation queries the response was YES. [2021-03-25 22:06:11,574 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 22:06:11,640 INFO L132 encePairwiseOnDemand]: 46/73 looper letters, 3367 selfloop transitions, 104 changer transitions 8/3485 dead transitions. [2021-03-25 22:06:11,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 3485 transitions, 128821 flow [2021-03-25 22:06:11,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 302 transitions. [2021-03-25 22:06:11,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27579908675799086 [2021-03-25 22:06:11,642 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 302 transitions. [2021-03-25 22:06:11,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 302 transitions. [2021-03-25 22:06:11,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:11,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 302 transitions. [2021-03-25 22:06:11,642 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 22:06:11,642 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 22:06:11,643 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 22:06:11,643 INFO L185 Difference]: Start difference. First operand has 770 places, 3470 transitions, 121492 flow. Second operand 15 states and 302 transitions. [2021-03-25 22:06:11,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 3485 transitions, 128821 flow [2021-03-25 22:06:24,069 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 22:06:24,149 INFO L241 Difference]: Finished difference. Result has 780 places, 3471 transitions, 120166 flow [2021-03-25 22:06:24,150 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 22:06:24,150 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 759 predicate places. [2021-03-25 22:06:24,150 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:24,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 780 places, 3471 transitions, 120166 flow [2021-03-25 22:06:24,151 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 780 places, 3471 transitions, 120166 flow [2021-03-25 22:06:24,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 780 places, 3471 transitions, 120166 flow [2021-03-25 22:06:28,940 INFO L129 PetriNetUnfolder]: 3745/9054 cut-off events. [2021-03-25 22:06:28,941 INFO L130 PetriNetUnfolder]: For 770645/771417 co-relation queries the response was YES. [2021-03-25 22:06:29,114 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 22:06:29,229 INFO L142 LiptonReduction]: Number of co-enabled transitions 3206 [2021-03-25 22:06:32,429 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:06:32,430 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:32,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8280 [2021-03-25 22:06:32,430 INFO L480 AbstractCegarLoop]: Abstraction has has 780 places, 3471 transitions, 120220 flow [2021-03-25 22:06:32,430 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 22:06:32,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:32,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:32,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-25 22:06:32,632 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:32,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:32,632 INFO L82 PathProgramCache]: Analyzing trace with hash -388957804, now seen corresponding path program 1 times [2021-03-25 22:06:32,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:32,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223457129] [2021-03-25 22:06:32,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:32,638 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:06:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:06:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:06:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,679 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 22:06:32,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223457129] [2021-03-25 22:06:32,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373796189] [2021-03-25 22:06:32,679 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 22:06:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:32,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:06:32,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:06:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:32,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:32,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:32,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:32,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:32,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 22:06:32,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 22:06:32,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:06:32,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:32,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:06:32,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:06:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:32,811 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 22:06:32,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:06:32,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 22:06:32,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012688221] [2021-03-25 22:06:32,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:06:32,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:32,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:06:32,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:06:32,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:06:32,812 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 22:06:32,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:32,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:06:32,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:54,131 INFO L129 PetriNetUnfolder]: 4734/10516 cut-off events. [2021-03-25 22:06:54,132 INFO L130 PetriNetUnfolder]: For 870655/870791 co-relation queries the response was YES. [2021-03-25 22:06:54,345 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 22:06:54,414 INFO L132 encePairwiseOnDemand]: 49/75 looper letters, 3191 selfloop transitions, 404 changer transitions 0/3602 dead transitions. [2021-03-25 22:06:54,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 3602 transitions, 132765 flow [2021-03-25 22:06:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 294 transitions. [2021-03-25 22:06:54,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30153846153846153 [2021-03-25 22:06:54,416 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 294 transitions. [2021-03-25 22:06:54,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 294 transitions. [2021-03-25 22:06:54,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:54,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 294 transitions. [2021-03-25 22:06:54,416 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 22:06:54,417 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 22:06:54,417 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 22:06:54,417 INFO L185 Difference]: Start difference. First operand has 780 places, 3471 transitions, 120220 flow. Second operand 13 states and 294 transitions. [2021-03-25 22:06:54,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 3602 transitions, 132765 flow [2021-03-25 22:07:07,328 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 22:07:07,418 INFO L241 Difference]: Finished difference. Result has 787 places, 3550 transitions, 124851 flow [2021-03-25 22:07:07,420 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 22:07:07,420 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 766 predicate places. [2021-03-25 22:07:07,420 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:07,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 3550 transitions, 124851 flow [2021-03-25 22:07:07,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 3550 transitions, 124851 flow [2021-03-25 22:07:07,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 3550 transitions, 124851 flow [2021-03-25 22:07:13,161 INFO L129 PetriNetUnfolder]: 3804/9198 cut-off events. [2021-03-25 22:07:13,161 INFO L130 PetriNetUnfolder]: For 791831/792644 co-relation queries the response was YES. [2021-03-25 22:07:13,344 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 22:07:13,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 3400 [2021-03-25 22:07:14,937 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:14,938 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:14,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7518 [2021-03-25 22:07:14,938 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 3550 transitions, 124851 flow [2021-03-25 22:07:14,938 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 22:07:14,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:14,938 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:15,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-03-25 22:07:15,139 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:15,139 INFO L82 PathProgramCache]: Analyzing trace with hash 526760010, now seen corresponding path program 2 times [2021-03-25 22:07:15,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:15,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955405076] [2021-03-25 22:07:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:15,145 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:15,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,165 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:07:15,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:07:15,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,191 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 22:07:15,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955405076] [2021-03-25 22:07:15,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693289875] [2021-03-25 22:07:15,191 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 22:07:15,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:07:15,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:07:15,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:07:15,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:07:15,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:15,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:15,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:15,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:15,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:15,283 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:07:15,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:15,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:07:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:07:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:07:15,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:07:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:15,297 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 22:07:15,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:07:15,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 22:07:15,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383312277] [2021-03-25 22:07:15,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:07:15,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:15,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:07:15,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:07:15,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:07:15,298 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 22:07:15,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:15,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:07:15,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:32,322 INFO L129 PetriNetUnfolder]: 4924/10956 cut-off events. [2021-03-25 22:07:32,322 INFO L130 PetriNetUnfolder]: For 913682/913818 co-relation queries the response was YES. [2021-03-25 22:07:32,548 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 22:07:32,616 INFO L132 encePairwiseOnDemand]: 49/75 looper letters, 3353 selfloop transitions, 470 changer transitions 0/3830 dead transitions. [2021-03-25 22:07:32,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 3830 transitions, 142820 flow [2021-03-25 22:07:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:07:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:07:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 278 transitions. [2021-03-25 22:07:32,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3088888888888889 [2021-03-25 22:07:32,618 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 278 transitions. [2021-03-25 22:07:32,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 278 transitions. [2021-03-25 22:07:32,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:32,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 278 transitions. [2021-03-25 22:07:32,618 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 22:07:32,618 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 22:07:32,619 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 22:07:32,619 INFO L185 Difference]: Start difference. First operand has 787 places, 3550 transitions, 124851 flow. Second operand 12 states and 278 transitions. [2021-03-25 22:07:32,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 798 places, 3830 transitions, 142820 flow [2021-03-25 22:07:45,996 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 22:07:46,090 INFO L241 Difference]: Finished difference. Result has 795 places, 3700 transitions, 131829 flow [2021-03-25 22:07:46,092 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 22:07:46,092 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 774 predicate places. [2021-03-25 22:07:46,092 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:46,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 3700 transitions, 131829 flow [2021-03-25 22:07:46,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 3700 transitions, 131829 flow [2021-03-25 22:07:46,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 3700 transitions, 131829 flow [2021-03-25 22:07:51,993 INFO L129 PetriNetUnfolder]: 3992/9671 cut-off events. [2021-03-25 22:07:51,994 INFO L130 PetriNetUnfolder]: For 864527/865583 co-relation queries the response was YES. [2021-03-25 22:07:52,438 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 22:07:52,567 INFO L142 LiptonReduction]: Number of co-enabled transitions 3664 [2021-03-25 22:07:54,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:54,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:54,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7924 [2021-03-25 22:07:54,016 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 3700 transitions, 131829 flow [2021-03-25 22:07:54,017 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 22:07:54,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:54,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:54,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-25 22:07:54,217 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2136626836, now seen corresponding path program 3 times [2021-03-25 22:07:54,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:54,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865497285] [2021-03-25 22:07:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:54,222 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:07:54,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:07:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:07:54,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,256 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 22:07:54,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865497285] [2021-03-25 22:07:54,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616505695] [2021-03-25 22:07:54,256 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 22:07:54,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 22:07:54,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:07:54,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:07:54,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:07:54,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:54,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:54,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:54,361 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:07:54,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:07:54,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:07:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:07:54,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:07:54,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:07:54,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:07:54,379 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 22:07:54,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:07:54,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 22:07:54,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807448372] [2021-03-25 22:07:54,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:07:54,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:54,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:07:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:07:54,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:07:54,380 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 22:07:54,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:54,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:07:54,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:11,809 INFO L129 PetriNetUnfolder]: 4916/10896 cut-off events. [2021-03-25 22:08:11,810 INFO L130 PetriNetUnfolder]: For 932713/933268 co-relation queries the response was YES. [2021-03-25 22:08:12,027 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 22:08:12,096 INFO L132 encePairwiseOnDemand]: 47/75 looper letters, 3174 selfloop transitions, 625 changer transitions 0/3806 dead transitions. [2021-03-25 22:08:12,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 3806 transitions, 143494 flow [2021-03-25 22:08:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:08:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:08:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 278 transitions. [2021-03-25 22:08:12,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3088888888888889 [2021-03-25 22:08:12,097 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 278 transitions. [2021-03-25 22:08:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 278 transitions. [2021-03-25 22:08:12,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:12,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 278 transitions. [2021-03-25 22:08:12,098 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 22:08:12,098 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 22:08:12,098 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 22:08:12,098 INFO L185 Difference]: Start difference. First operand has 795 places, 3700 transitions, 131829 flow. Second operand 12 states and 278 transitions. [2021-03-25 22:08:12,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 3806 transitions, 143494 flow [2021-03-25 22:08:26,047 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 22:08:26,138 INFO L241 Difference]: Finished difference. Result has 801 places, 3721 transitions, 133743 flow [2021-03-25 22:08:26,140 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 22:08:26,140 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 780 predicate places. [2021-03-25 22:08:26,140 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:26,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 3721 transitions, 133743 flow [2021-03-25 22:08:26,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 3721 transitions, 133743 flow [2021-03-25 22:08:26,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 3721 transitions, 133743 flow [2021-03-25 22:08:31,994 INFO L129 PetriNetUnfolder]: 3985/9602 cut-off events. [2021-03-25 22:08:31,994 INFO L130 PetriNetUnfolder]: For 864422/865413 co-relation queries the response was YES. [2021-03-25 22:08:32,181 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 22:08:32,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 3680 [2021-03-25 22:08:33,676 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:33,677 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:33,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7537 [2021-03-25 22:08:33,677 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 3721 transitions, 133743 flow [2021-03-25 22:08:33,677 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 22:08:33,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:33,677 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:33,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:08:33,878 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:33,878 INFO L82 PathProgramCache]: Analyzing trace with hash -905694033, now seen corresponding path program 2 times [2021-03-25 22:08:33,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:33,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061421136] [2021-03-25 22:08:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:33,892 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:33,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:33,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:08:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:33,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:08:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:33,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:33,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:08:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:08:33,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:08:33,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:33,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:33,940 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 22:08:33,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061421136] [2021-03-25 22:08:33,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415407233] [2021-03-25 22:08:33,941 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 22:08:34,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 22:08:34,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:08:34,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:08:34,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:08:34,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:34,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:34,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:08:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:08:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:08:34,279 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:08:34,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:08:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:08:34,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:08:34,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:08:34,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:08:34,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:08:34,293 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 22:08:34,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:08:34,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 22:08:34,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342981864] [2021-03-25 22:08:34,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:08:34,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:34,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:08:34,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:08:34,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:08:34,294 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 22:08:34,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:34,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:08:34,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:49,803 INFO L129 PetriNetUnfolder]: 5087/11447 cut-off events. [2021-03-25 22:08:49,804 INFO L130 PetriNetUnfolder]: For 1011578/1011710 co-relation queries the response was YES. [2021-03-25 22:08:50,026 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 22:08:50,097 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3403 selfloop transitions, 628 changer transitions 0/4038 dead transitions. [2021-03-25 22:08:50,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 815 places, 4038 transitions, 154216 flow [2021-03-25 22:08:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 344 transitions. [2021-03-25 22:08:50,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30577777777777776 [2021-03-25 22:08:50,099 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 344 transitions. [2021-03-25 22:08:50,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 344 transitions. [2021-03-25 22:08:50,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:50,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 344 transitions. [2021-03-25 22:08:50,099 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 22:08:50,100 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 22:08:50,100 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 22:08:50,100 INFO L185 Difference]: Start difference. First operand has 801 places, 3721 transitions, 133743 flow. Second operand 15 states and 344 transitions. [2021-03-25 22:08:50,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 815 places, 4038 transitions, 154216 flow [2021-03-25 22:09:05,229 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 22:09:05,326 INFO L241 Difference]: Finished difference. Result has 812 places, 3843 transitions, 140075 flow [2021-03-25 22:09:05,328 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 22:09:05,328 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 791 predicate places. [2021-03-25 22:09:05,329 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:05,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 812 places, 3843 transitions, 140075 flow [2021-03-25 22:09:05,329 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 812 places, 3843 transitions, 140075 flow [2021-03-25 22:09:05,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 812 places, 3843 transitions, 140075 flow [2021-03-25 22:09:11,807 INFO L129 PetriNetUnfolder]: 4159/10182 cut-off events. [2021-03-25 22:09:11,807 INFO L130 PetriNetUnfolder]: For 968790/969868 co-relation queries the response was YES. [2021-03-25 22:09:12,015 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 22:09:12,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 3878 [2021-03-25 22:09:13,739 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:13,739 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:13,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8410 [2021-03-25 22:09:13,739 INFO L480 AbstractCegarLoop]: Abstraction has has 812 places, 3843 transitions, 140075 flow [2021-03-25 22:09:13,739 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 22:09:13,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:13,740 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:13,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-25 22:09:13,961 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:13,961 INFO L82 PathProgramCache]: Analyzing trace with hash 662217899, now seen corresponding path program 3 times [2021-03-25 22:09:13,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:13,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602531976] [2021-03-25 22:09:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:13,966 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:13,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:13,971 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:09:13,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:13,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:09:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:13,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:13,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:09:13,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:13,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:13,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:14,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602531976] [2021-03-25 22:09:14,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547581932] [2021-03-25 22:09:14,005 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 22:09:14,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 22:09:14,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:09:14,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:09:14,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:09:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:14,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:14,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:14,096 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:09:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:09:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:14,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:14,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:14,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:14,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:14,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:14,109 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:09:14,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:14,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:14,116 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 22:09:14,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:09:14,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 22:09:14,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276590540] [2021-03-25 22:09:14,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:09:14,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:14,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:09:14,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:09:14,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:09:14,117 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 22:09:14,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:14,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:09:14,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:30,138 INFO L129 PetriNetUnfolder]: 5088/11440 cut-off events. [2021-03-25 22:09:30,138 INFO L130 PetriNetUnfolder]: For 1054300/1054435 co-relation queries the response was YES. [2021-03-25 22:09:30,370 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 22:09:30,441 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3405 selfloop transitions, 509 changer transitions 0/3921 dead transitions. [2021-03-25 22:09:30,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 827 places, 3921 transitions, 151087 flow [2021-03-25 22:09:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 356 transitions. [2021-03-25 22:09:30,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2966666666666667 [2021-03-25 22:09:30,442 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 356 transitions. [2021-03-25 22:09:30,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 356 transitions. [2021-03-25 22:09:30,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:30,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 356 transitions. [2021-03-25 22:09:30,443 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 22:09:30,443 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 22:09:30,443 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 22:09:30,443 INFO L185 Difference]: Start difference. First operand has 812 places, 3843 transitions, 140075 flow. Second operand 16 states and 356 transitions. [2021-03-25 22:09:30,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 827 places, 3921 transitions, 151087 flow [2021-03-25 22:09:45,365 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 22:09:45,460 INFO L241 Difference]: Finished difference. Result has 823 places, 3848 transitions, 140810 flow [2021-03-25 22:09:45,462 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 22:09:45,462 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 802 predicate places. [2021-03-25 22:09:45,462 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:45,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 3848 transitions, 140810 flow [2021-03-25 22:09:45,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 3848 transitions, 140810 flow [2021-03-25 22:09:45,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 823 places, 3848 transitions, 140810 flow [2021-03-25 22:09:51,336 INFO L129 PetriNetUnfolder]: 4163/10173 cut-off events. [2021-03-25 22:09:51,336 INFO L130 PetriNetUnfolder]: For 963505/964557 co-relation queries the response was YES. [2021-03-25 22:09:51,550 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 22:09:51,878 INFO L142 LiptonReduction]: Number of co-enabled transitions 3890 [2021-03-25 22:09:53,418 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:53,418 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:53,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7956 [2021-03-25 22:09:53,419 INFO L480 AbstractCegarLoop]: Abstraction has has 823 places, 3848 transitions, 140810 flow [2021-03-25 22:09:53,419 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 22:09:53,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:53,419 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:53,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:09:53,619 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:53,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2074666177, now seen corresponding path program 4 times [2021-03-25 22:09:53,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:53,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358810242] [2021-03-25 22:09:53,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:53,626 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:53,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:09:53,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:09:53,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:09:53,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:09:53,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:53,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,662 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 22:09:53,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358810242] [2021-03-25 22:09:53,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918018331] [2021-03-25 22:09:53,662 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 22:09:53,679 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 22:09:53,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:09:53,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:09:53,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:09:53,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:09:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:09:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:09:53,758 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:09:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:09:53,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:09:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:09:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:09:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:53,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:09:53,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:09:53,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:09:53,770 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 22:09:53,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:09:53,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-25 22:09:53,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203046749] [2021-03-25 22:09:53,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 22:09:53,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:53,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 22:09:53,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-25 22:09:53,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:09:53,771 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 22:09:53,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:53,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:09:53,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:11,860 INFO L129 PetriNetUnfolder]: 5077/11348 cut-off events. [2021-03-25 22:10:11,860 INFO L130 PetriNetUnfolder]: For 1039048/1039186 co-relation queries the response was YES. [2021-03-25 22:10:12,102 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 22:10:12,178 INFO L132 encePairwiseOnDemand]: 46/75 looper letters, 3226 selfloop transitions, 788 changer transitions 0/4021 dead transitions. [2021-03-25 22:10:12,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 837 places, 4021 transitions, 156055 flow [2021-03-25 22:10:12,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:10:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:10:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 346 transitions. [2021-03-25 22:10:12,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3075555555555556 [2021-03-25 22:10:12,180 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 346 transitions. [2021-03-25 22:10:12,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 346 transitions. [2021-03-25 22:10:12,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:12,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 346 transitions. [2021-03-25 22:10:12,181 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 22:10:12,182 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 22:10:12,182 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 22:10:12,182 INFO L185 Difference]: Start difference. First operand has 823 places, 3848 transitions, 140810 flow. Second operand 15 states and 346 transitions. [2021-03-25 22:10:12,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 837 places, 4021 transitions, 156055 flow [2021-03-25 22:10:27,587 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 22:10:27,680 INFO L241 Difference]: Finished difference. Result has 829 places, 3869 transitions, 143360 flow [2021-03-25 22:10:27,682 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 22:10:27,682 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 808 predicate places. [2021-03-25 22:10:27,682 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:27,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 829 places, 3869 transitions, 143360 flow [2021-03-25 22:10:27,683 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 829 places, 3869 transitions, 143360 flow [2021-03-25 22:10:27,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 829 places, 3869 transitions, 143360 flow [2021-03-25 22:10:33,507 INFO L129 PetriNetUnfolder]: 4156/10107 cut-off events. [2021-03-25 22:10:33,507 INFO L130 PetriNetUnfolder]: For 970770/971741 co-relation queries the response was YES. [2021-03-25 22:10:33,738 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 22:10:34,102 INFO L142 LiptonReduction]: Number of co-enabled transitions 3910 [2021-03-25 22:10:35,722 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:35,722 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:35,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8040 [2021-03-25 22:10:35,723 INFO L480 AbstractCegarLoop]: Abstraction has has 829 places, 3869 transitions, 143360 flow [2021-03-25 22:10:35,723 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 22:10:35,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:35,723 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:35,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-03-25 22:10:35,928 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:35,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1974213744, now seen corresponding path program 12 times [2021-03-25 22:10:35,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:35,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104376214] [2021-03-25 22:10:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:35,941 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-25 22:10:35,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:10:35,954 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.3 percent of original size [2021-03-25 22:10:35,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 22:10:36,017 INFO L142 QuantifierPusher]: treesize reduction 34, result has 63.8 percent of original size [2021-03-25 22:10:36,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 22:10:36,079 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.3 percent of original size [2021-03-25 22:10:36,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 22:10:36,102 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-03-25 22:10:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 22:10:36,119 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-25 22:10:36,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:10:36,136 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-25 22:10:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,150 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 22:10:36,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104376214] [2021-03-25 22:10:36,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780341348] [2021-03-25 22:10:36,150 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 22:10:36,174 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-25 22:10:36,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:10:36,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-25 22:10:36,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:10:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:10:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,200 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 22:10:36,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 22:10:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:36,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,248 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-25 22:10:36,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 22:10:36,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:10:36,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:10:36,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:10:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:10:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:10:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:10:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:10:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:10:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:10:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 22:10:36,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,280 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 22:10:36,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,281 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-25 22:10:36,282 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 22:10:36,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:36,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 22:10:36,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 22:10:36,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:17 [2021-03-25 22:10:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,319 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-25 22:10:36,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:10:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:10:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 22:10:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,322 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 22:10:36,322 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:10:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:10:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:10:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:10:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:36,338 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 22:10:36,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:10:36,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-25 22:10:36,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202727103] [2021-03-25 22:10:36,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 22:10:36,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:36,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 22:10:36,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-25 22:10:36,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 75 [2021-03-25 22:10:36,340 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 22:10:36,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:36,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 75 [2021-03-25 22:10:36,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:55,595 INFO L129 PetriNetUnfolder]: 5090/11375 cut-off events. [2021-03-25 22:10:55,595 INFO L130 PetriNetUnfolder]: For 1062707/1062906 co-relation queries the response was YES. [2021-03-25 22:10:55,838 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 22:10:55,913 INFO L132 encePairwiseOnDemand]: 47/75 looper letters, 3737 selfloop transitions, 155 changer transitions 10/3908 dead transitions. [2021-03-25 22:10:55,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 842 places, 3908 transitions, 152350 flow [2021-03-25 22:10:55,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:10:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:10:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 289 transitions. [2021-03-25 22:10:55,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2752380952380952 [2021-03-25 22:10:55,914 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 289 transitions. [2021-03-25 22:10:55,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 289 transitions. [2021-03-25 22:10:55,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:55,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 289 transitions. [2021-03-25 22:10:55,915 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 22:10:55,916 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 22:10:55,916 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 22:10:55,916 INFO L185 Difference]: Start difference. First operand has 829 places, 3869 transitions, 143360 flow. Second operand 14 states and 289 transitions. [2021-03-25 22:10:55,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 842 places, 3908 transitions, 152350 flow [2021-03-25 22:11:11,370 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 22:11:11,522 INFO L241 Difference]: Finished difference. Result has 836 places, 3888 transitions, 143943 flow [2021-03-25 22:11:11,524 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 22:11:11,524 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 815 predicate places. [2021-03-25 22:11:11,524 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:11,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 836 places, 3888 transitions, 143943 flow [2021-03-25 22:11:11,524 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 836 places, 3888 transitions, 143943 flow [2021-03-25 22:11:11,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 3888 transitions, 143943 flow [2021-03-25 22:11:17,990 INFO L129 PetriNetUnfolder]: 4168/10104 cut-off events. [2021-03-25 22:11:17,990 INFO L130 PetriNetUnfolder]: For 975926/976945 co-relation queries the response was YES. [2021-03-25 22:11:18,216 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 22:11:18,364 INFO L142 LiptonReduction]: Number of co-enabled transitions 3922 [2021-03-25 22:11:20,124 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:20,124 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:20,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8600 [2021-03-25 22:11:20,124 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 3888 transitions, 143943 flow [2021-03-25 22:11:20,124 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 22:11:20,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:20,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:20,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:11:20,330 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:20,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:20,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1405652304, now seen corresponding path program 4 times [2021-03-25 22:11:20,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:20,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470093150] [2021-03-25 22:11:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:20,336 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,341 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:11:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 22:11:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 22:11:20,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,374 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 22:11:20,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470093150] [2021-03-25 22:11:20,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076104853] [2021-03-25 22:11:20,375 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 22:11:20,393 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 22:11:20,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 22:11:20,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 22:11:20,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:11:20,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,603 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-03-25 22:11:20,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:11:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:20,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:11:20,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:11:20,625 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-25 22:11:20,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:11:20,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:11:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 22:11:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:11:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 22:11:20,638 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 22:11:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:11:20,643 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 22:11:20,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:11:20,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-25 22:11:20,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584073365] [2021-03-25 22:11:20,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:11:20,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:20,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:11:20,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:11:20,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-25 22:11:20,644 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 22:11:20,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:20,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-25 22:11:20,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:39,698 INFO L129 PetriNetUnfolder]: 5077/11297 cut-off events. [2021-03-25 22:11:39,698 INFO L130 PetriNetUnfolder]: For 1055796/1056134 co-relation queries the response was YES. [2021-03-25 22:11:39,923 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 22:11:39,993 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 3685 selfloop transitions, 250 changer transitions 0/3942 dead transitions. [2021-03-25 22:11:39,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 847 places, 3942 transitions, 153752 flow [2021-03-25 22:11:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:11:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:11:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 280 transitions. [2021-03-25 22:11:39,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3111111111111111 [2021-03-25 22:11:39,994 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 280 transitions. [2021-03-25 22:11:39,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 280 transitions. [2021-03-25 22:11:39,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:39,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 280 transitions. [2021-03-25 22:11:39,994 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 22:11:39,995 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 22:11:39,995 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 22:11:39,995 INFO L185 Difference]: Start difference. First operand has 836 places, 3888 transitions, 143943 flow. Second operand 12 states and 280 transitions. [2021-03-25 22:11:39,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 847 places, 3942 transitions, 153752 flow Received shutdown request... [2021-03-25 22:11:51,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable110 [2021-03-25 22:11:51,831 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 22:11:51,834 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 22:11:51,834 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 10:11:51 BasicIcfg [2021-03-25 22:11:51,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 22:11:51,834 INFO L168 Benchmark]: Toolchain (without parser) took 812161.20 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.2 GB). Free memory was 236.7 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. [2021-03-25 22:11:51,834 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 7.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:11:51,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 22:11:51,835 INFO L168 Benchmark]: Boogie Preprocessor took 12.65 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 928.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:11:51,835 INFO L168 Benchmark]: RCFGBuilder took 248.85 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-25 22:11:51,835 INFO L168 Benchmark]: TraceAbstraction took 811873.81 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.2 GB). Free memory was 237.3 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. [2021-03-25 22:11:51,835 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 7.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.65 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 928.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.85 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 811873.81 ms. Allocated memory was 255.9 MB in the beginning and 12.5 GB in the end (delta: 12.2 GB). Free memory was 237.3 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.3ms, 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: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , 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: 8.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 11.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 57.9ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 63.1ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 15.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 20.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 34.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 59.5ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 99.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 25.6ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 30.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 41.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 32.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 38.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 46.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 68.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 82.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 77.0ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 168.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 91.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 128.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 192.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 171.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 215.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 199.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 170.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 159.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 156.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 178.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 273.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 465.0ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 290.8ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 271.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 372.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 624.0ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 414.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 423.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 426.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 464.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 542.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 523.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 623.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 665.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 1253.1ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 699.6ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 630.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 673.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 718.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 900.3ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 784.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 796.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 1191.2ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 949.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 1043.8ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 1292.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 1202.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2040.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2109.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2138.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2313.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2927.5ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 2279.8ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2233.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2308.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 3052.2ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 3270.0ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2551.6ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2484.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 2992.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 3863.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 2950.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 3726.0ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 5340.9ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 5937.6ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 6537.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 8661.2ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 6373.5ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 8278.9ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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: 7517.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 7923.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 7536.3ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 8410.1ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 7956.2ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 8039.4ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 8599.7ms, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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 executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 811754.8ms, OverallIterations: 87, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 614005.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 370.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 837 SDtfs, 2413 SDslu, 910 SDs, 0 SdLazy, 21299 SolverSat, 2594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11253.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2303 GetRequests, 825 SyntacticMatches, 58 SemanticMatches, 1420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4804 ImplicationChecksByTransitivity, 19088.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=143943occurred in iteration=86, InterpolantAutomatonStates: 1151, 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: 330.6ms SsaConstructionTime, 906.2ms SatisfiabilityAnalysisTime, 15324.5ms 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